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KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery nears its destination on its rollout to Launch Pad 39B. Discovery rests on top of the mobile launcher platform, which is carried by the crawler-transporter underneath. First motion of the shuttle leaving NASA's Vehicle Assembly Building was at 12:45 p.m. EDT. The 4.2-mile journey from the VAB to the pad takes approximately 8 hours. The rollout is an important step before launch of Discovery on mission STS-121 to the International Space Station. Discovery's launch is targeted for July 1 in a launch window that extends to July 19. During the 12-day mission, Discovery's crew will test new hardware and techniques to improve shuttle safety, as well as deliver supplies and make repairs to the station. Photo credit: NASA/Dimitri Gerondidakis KSC-06pd0905

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery nears its desti...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery nears its destination on its rollout to Launch Pad 39B. Discovery rests on top of the mobile launcher platform, which is carried by the crawler-transporte... More

STS-83 Payload Specialist Gregory T. Linteris gives a thumbs-up as he is assisted into his launch/entry suit in the Operations and Checkout (O&C) Building. He holds a doctorate in mechanical and aerospace engineering. Linteris has worked at the National Institute of Standards and Technology and is the Principal Investigator on a NASA microgravity combustion experiments. As a member of the Red team, Linteris will concentrate on three combustion experiments. Two of these experiments are housed in the Combustion Module. He will also be backing up crew members on the other Microgravity Science Laboratory-1 (MSL-1) investigations. He and six fellow crew members will shortly depart the O&C and head for Launch Pad 39A, where the Space Shuttle Columbia will lift off during a launch window that opens at 2:00 p.m. EST, April 4 KSC-97pc566

STS-83 Payload Specialist Gregory T. Linteris gives a thumbs-up as he ...

STS-83 Payload Specialist Gregory T. Linteris gives a thumbs-up as he is assisted into his launch/entry suit in the Operations and Checkout (O&C) Building. He holds a doctorate in mechanical and aerospace engin... More

The GOES-K advanced weather satellite, already encapsulated in the Atlas 1 payload fairing, is carefully placed on the transporter at Astrotech Space Operations LP facility in Titusville. GOES-K will be the third spacecraft to be launched in the advanced series of Geostationary Operational Environmental Satellites (GOES). The GOES satellites are owned and operated by the National Oceanic and Atmospheric Administration (NOAA); NASA manages the design, development and launch of the spacecraft. GOES-K is targeted for an /1997/63-97.htm">April 24 launch</a> aboard a Lockheed Martin Atlas 1 expendable launch vehicle (AC-79) from Launch Complex 36, Pad B, Cape Canaveral Air Station. The launch window opens at 1:50 a.m. and extends to 3:09 a.m. EDT. Once in orbit, GOES-K will become GOES-10, joining GOES-8 and GOES-9 in space KSC-97pc634

The GOES-K advanced weather satellite, already encapsulated in the Atl...

The GOES-K advanced weather satellite, already encapsulated in the Atlas 1 payload fairing, is carefully placed on the transporter at Astrotech Space Operations LP facility in Titusville. GOES-K will be the thi... More

The Atlas 1 payload fairing with the encapsulated GOES-K advanced weather satellite is being lifted into position for mating to the Lockheed Martin Atlas 1 expendable launch vehicle (AC-79) at Launch Complex 36, Pad B, Cape Canaveral Air Station. GOES-K will be the third spacecraft to be launched in the advanced series of Geostationary Operational Environmental Satellites (GOES). The GOES satellites are owned and operated by the National Oceanic and Atmospheric Administration (NOAA); NASA manages the design, development and launch of the spacecraft. GOES-K is targeted for an /1997/63-97.htm">April 24 launch</a> during a launch window which extends from 1:50-3:09 a.m. EDT. Once in orbit, GOES-K will become GOES-10, joining GOES-8 and GOES-9 in space KSC-97pc650

The Atlas 1 payload fairing with the encapsulated GOES-K advanced weat...

The Atlas 1 payload fairing with the encapsulated GOES-K advanced weather satellite is being lifted into position for mating to the Lockheed Martin Atlas 1 expendable launch vehicle (AC-79) at Launch Complex 36... More

At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical power systems that have flown successfully on 23 previous U.S. missions over the past 37 years. These generators produce power by converting heat into electrical energy; the heat is provided by the natural radioactive decay of plutonium-238 dioxide, a non-weapons-grade material. RTGs enable spacecraft to operate at significant distances from the Sun where solar power systems would not be feasible. Cassini will travel two billion miles to reach Saturn and another 1.1 billion miles while in orbit around Saturn. Cassini is undergoing final preparations for liftoff on a Titan IVB/Centaur launch vehicle, with the launch window opening at 4:55 a.m. EDT, Oct. 13 KSC-97PC1537

At Launch Complex 40 on Cape Canaveral Air Station, workers are instal...

At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical powe... More

KENNEDY SPACE CENTER, FLA. -- STS-90 Mission Specialist Richard Linnehan, D.V.M., is assisted by NASA and United Space Alliance closeout crew members immediately preceding launch for the nearly 17-day Neurolab mission. Investigations during the Neurolab mission will focus on the effects of microgravity on the nervous system. Linnehan and six fellow crew members will shortly enter the orbiter at KSC's Launch Pad 39B, where the Space Shuttle Columbia will lift off during a launch window that opens at 2:19 p.m. EDT, April 17 KSC-98pc512

KENNEDY SPACE CENTER, FLA. -- STS-90 Mission Specialist Richard Linneh...

KENNEDY SPACE CENTER, FLA. -- STS-90 Mission Specialist Richard Linnehan, D.V.M., is assisted by NASA and United Space Alliance closeout crew members immediately preceding launch for the nearly 17-day Neurolab ... More

Processing activities for STS-91 continue in KSC's Orbiter Processing Facility Bay 2. The payload bay of Space Shuttle Discovery is relatively empty as installation of the Get Away Special (GAS) canisters begins. Two GAS canisters can be seen in the center of the photograph. On the left is G-648, a Canadian Space Agency-sponsored study on manufactured organic thin film by the physical vapor transport method, and on the right is a can with hundreds of commemorative flags to be flown on the mission. STS-91 is scheduled to launch aboard the Space Shuttle Discovery for the ninth and final docking with the Russian Space Station Mir from KSC's Launch Pad 39A on June 2 with a launch window opening around 6:04 p.m. EDT KSC-98pc520

Processing activities for STS-91 continue in KSC's Orbiter Processing ...

Processing activities for STS-91 continue in KSC's Orbiter Processing Facility Bay 2. The payload bay of Space Shuttle Discovery is relatively empty as installation of the Get Away Special (GAS) canisters begin... More

STS-91 Pilot Dominic L. Pudwill Gorie (Cdr., USN) arrives at Kennedy Space Center's Shuttle Landing Facility aboard a T-38 jet. He is here to participate in the Terminal Countdown Demonstration Test (TCDT), a dress rehearsal for launch. The STS-91 launch is targeted for June 2 with a launch window opening around 6:10 p.m. EDT. The mission will conclude Phase I of the joint U.S.-Russian International Space Station Program. Although it will be the ninth Shuttle docking with the Russian Space Station Mir, it will be the first Mir docking for the Space Shuttle orbiter Discovery. Gorie is making his first space flight. The STS-91 mission will also be the first flight for the new Space Shuttle super lightweight external tank. The STS-91 flight crew also includes Mission Commander Charles Precourt and Mission Specialists Wendy B. Lawrence; Franklin Chang-Diaz, Ph.D.; Janet Kavandi, Ph.D; and Valery Ryumin, with the Russian Space Agency. Andrew Thomas, Ph.D., will be returning to Earth with the crew after living aboard Mir since January 25, 1998 KSC-98pc582

STS-91 Pilot Dominic L. Pudwill Gorie (Cdr., USN) arrives at Kennedy S...

STS-91 Pilot Dominic L. Pudwill Gorie (Cdr., USN) arrives at Kennedy Space Center's Shuttle Landing Facility aboard a T-38 jet. He is here to participate in the Terminal Countdown Demonstration Test (TCDT), a d... More

STS-91 Mission Specialist Franklin R. Chang-Diaz gets assistance from a suit technician as he dons his flight suit in the Operations and Checkout (O&C) Building. The fitting takes place prior to the crew walkout and transport to Launch Pad 39A. He is on his sixth space flight. Chang-Diaz holds a doctorate in applied plasma physics and is director of the Advanced Space Propulsion Laboratory at the University of Houston. Franklin’s background will serve him well during the mission, since he will be primarily responsible for crew activities in support of the of the Alpha Magnetic Spectrometer. He will also back up Lawrence with the mideck experiments and Kavandi with SPACEHAB operations. STS-91 is scheduled to be launched on June 2 with a launch window opening around 6:10 p.m. EDT. The mission will feature the ninth and final Shuttle docking with the Russian Space Station Mir, the first Mir docking for Discovery, the first on-orbit test of the Alpha Magnetic Spectrometer (AMS), and the first flight of the new Space Shuttle super lightweight external tank. Astronaut Andrew S. W. Thomas will return to Earth as a STS-91 crew member after living more than four months aboard Mir KSC-98pc675

STS-91 Mission Specialist Franklin R. Chang-Diaz gets assistance from ...

STS-91 Mission Specialist Franklin R. Chang-Diaz gets assistance from a suit technician as he dons his flight suit in the Operations and Checkout (O&C) Building. The fitting takes place prior to the crew walkou... More

The Atlas II/Centaur rocket carrying the NASA/NOAA weather satellite GOES-L is revealed after the tower was rolled back before launch. The primary objective of the GOES-L is to provide a full capability satellite in an on-orbit storage condition, in order to assure NOAA continuity in services from a two-satellite constellation. Launch services are being provided by the 45th Space Wing. Liftoff is targeted to occur at the opening of a launch window extending from 2:27 5:53 a.m. EDT, a duration of three hours and 27 minutes. Launch will occur from Pad A at Complex 36 on Cape Canaveral Air Force Station KSC00pp0617

The Atlas II/Centaur rocket carrying the NASA/NOAA weather satellite G...

The Atlas II/Centaur rocket carrying the NASA/NOAA weather satellite GOES-L is revealed after the tower was rolled back before launch. The primary objective of the GOES-L is to provide a full capability satelli... More

KENNEDY SPACE CENTER, Fla. -- After a 24-hour delay of the STS-105 launch, Commander Scott Horowitz is the first off the Astrovan returning the crews to the Operations and Checkout Building. Behind him is Mission Specialist Daniel Barry. Launch countdown activities for the 12-day mission were called off at about 5:12 p.m. Aug. 9 during the T-9 minute hold due to the high potential for lightning, a thick cloud cover and the potential for showers. These were clear violations of launch weather criteria. The next launch attempt will be on Friday, Aug. 10, at the preferred launch time of about 5:15 p.m. The launch window extends for about 5 minutes. On the mission, Space Shuttle Discovery will be transporting the Expedition Three crew and several scientific experiments and payloads to the International Space Station, including the Early Ammonia Servicer (EAS) tank. The EAS, which will support the thermal control subsystems until a permanent system is activated, will be attached to the Station during two spacewalks. The three-member Expedition Two crew will be returning to Earth aboard Discovery after a five-month stay on the Station KSC-01pp1451

KENNEDY SPACE CENTER, Fla. -- After a 24-hour delay of the STS-105 lau...

KENNEDY SPACE CENTER, Fla. -- After a 24-hour delay of the STS-105 launch, Commander Scott Horowitz is the first off the Astrovan returning the crews to the Operations and Checkout Building. Behind him is Missi... More

KENNEDY SPACE CENTER, FLA. - The TDRS-J satellite is lifted up the gantry on Launch Complex 36-A, Cape Canaveral Air Force Station. The satellite is scheduled to be launched Dec. 4 aboard an Atlas IIA vehicle. The launch window is 9:42 to 10:22 p.m. EST. TDRS-J, the third in a series of telemetry satellites, will help replenish the current constellation of geosynchronous TDRS satellites that are the primary source of space-to-ground voice, data and telemetry for the Space Shuttle. The satellites also provide communications with the International Space Station and scientific spacecraft in low-Earth orbit such as the Hubble Space Telescope. This new advanced series of satellites will extend the availability of TDRS communications services until about 2017. KSC-02pd1836

KENNEDY SPACE CENTER, FLA. - The TDRS-J satellite is lifted up the gan...

KENNEDY SPACE CENTER, FLA. - The TDRS-J satellite is lifted up the gantry on Launch Complex 36-A, Cape Canaveral Air Force Station. The satellite is scheduled to be launched Dec. 4 aboard an Atlas IIA vehicle.... More

KENNEDY SPACE CENTER, FLA. --At Launch Complex 36-A, Cape Canaveral Air Force Station, the TDRS-J satellite launches aboard an Atlas IIA vehicle at the beginning of the launch window at 9:42 p.m. EST. TDRS-J, the third in a series of telemetry satellites, will help replenish the current constellation of geosynchronous TDRS satellites that are the primary source of space-to-ground voice, data and telemetry for the Space Shuttle. The satellites also provide communications with the International Space Station and scientific spacecraft in low-Earth orbit such as the Hubble Space Telescope. This new advanced series of satellites will extend the availability of TDRS communications services until about 2017. KSC-02pp1853

KENNEDY SPACE CENTER, FLA. --At Launch Complex 36-A, Cape Canaveral Ai...

KENNEDY SPACE CENTER, FLA. --At Launch Complex 36-A, Cape Canaveral Air Force Station, the TDRS-J satellite launches aboard an Atlas IIA vehicle at the beginning of the launch window at 9:42 p.m. EST. TDRS-J, t... More

KENNEDY SPACE CENTER, FLA. - Workers outside the Payload Hazardous Servicing Facility at KSC unload equipment associated with the Mars Exploration Rovers Mission. The cruise stage, aeroshell and lander for MER-2 are being delivered for processing. Set to launch in 2003, the Mars Exploration Rover Mission will consist of two identical rovers designed to cover roughly 110 yards (100 meters) each Martian day. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, 2003, and the second rover a window opening June 25, 2003. KSC-03pd0200

KENNEDY SPACE CENTER, FLA. - Workers outside the Payload Hazardous Ser...

KENNEDY SPACE CENTER, FLA. - Workers outside the Payload Hazardous Servicing Facility at KSC unload equipment associated with the Mars Exploration Rovers Mission. The cruise stage, aeroshell and lander for MER... More

KENNEDY SPACE CENTER, FLA. - After being cleaned up, the Mars Exploration Rover -2 is ready to be moved to a workstand in the Payload Hazardous Servicing Facility. Set to launch in 2003, the Mars Exploration Rover Mission will consist of two identical rovers designed to cover roughly 110 yards (100 meters) each Martian day. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, 2003, and the second rover a window opening June 25, 2003. KSC-03pd0211

KENNEDY SPACE CENTER, FLA. - After being cleaned up, the Mars Explorat...

KENNEDY SPACE CENTER, FLA. - After being cleaned up, the Mars Exploration Rover -2 is ready to be moved to a workstand in the Payload Hazardous Servicing Facility. Set to launch in 2003, the Mars Exploration Ro... More

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facility, workers position the lifting fixture over the Rover Equipment Deck (RED), a component of one of the Mars Exploration Rovers (MER), before moving it. Processing of the rovers, plus cruise stage, lander and heat shield elements, is ongoing. Set to launch in 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards each Martian day. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, and the second rover a window opening June 25, 2003. KSC-03pd0755

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facil...

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facility, workers position the lifting fixture over the Rover Equipment Deck (RED), a component of one of the Mars Exploration Rovers (MER), bef... More

KENNEDY SPACE CENTER, Fla. - Workers in the Payload Hazardous Servicing Facility look at the Mars Exploration Rover-2 (MER-2) with its solar arrays fully open. On top can be seen the low-gain and high-gain antennas. Set to launch in Spring 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards each Martian day. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, and the second rover a window opening June 25, 2003. KSC-03pd0773

KENNEDY SPACE CENTER, Fla. - Workers in the Payload Hazardous Servicin...

KENNEDY SPACE CENTER, Fla. - Workers in the Payload Hazardous Servicing Facility look at the Mars Exploration Rover-2 (MER-2) with its solar arrays fully open. On top can be seen the low-gain and high-gain ant... More

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facility, workers watch as the Mars Exploration Rover-2 (MER-2) rolls over ramps to test its mobility and maneuverability. Set to launch in Spring 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards each Martian day over various terrain. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, and the second rover a window opening June 25. KSC-03pd0794

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facil...

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facility, workers watch as the Mars Exploration Rover-2 (MER-2) rolls over ramps to test its mobility and maneuverability. Set to launch in Spri... More

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, a worker examines one of the solar panels on the Mars Exploration Rover 2 (MER-2) before flight stow. Set to launch in Spring 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards each Martian day over various terrain. The rovers will be identical to each other, but will land at different regions of Mars. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The first rover has a launch window opening May 30, and the second rover a window opening June 25. KSC-03pd0907

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facil...

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, a worker examines one of the solar panels on the Mars Exploration Rover 2 (MER-2) before flight stow. Set to launch in Spring 2003, the... More

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, workers check the solar panels on the Mars Exploration Rover 2 (MER-2) before flight stow. Set to launch in Spring 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards each Martian day over various terrain. The rovers will be identical to each other, but will land at different regions of Mars. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The first rover has a launch window opening May 30, and the second rover a window opening June 25. KSC-03pd0908

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facil...

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, workers check the solar panels on the Mars Exploration Rover 2 (MER-2) before flight stow. Set to launch in Spring 2003, the MER Missio... More

KENNEDY SPACE CENTER, FLA. -- The cruise stage for one of the Mars Exploration Rovers is rotated for processing. Once functional testing and mission simulation of the flight elements is complete, the elements will be integrated for flight. There are two rovers, identical to each other, and each will land at different regions of Mars. They are designed to cover roughly 110 yards each Martian day over various terrain. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The first rover has a launch window opening May 30, and the second rover a window opening June 25. KSC-03pd0941

KENNEDY SPACE CENTER, FLA. -- The cruise stage for one of the Mars Exp...

KENNEDY SPACE CENTER, FLA. -- The cruise stage for one of the Mars Exploration Rovers is rotated for processing. Once functional testing and mission simulation of the flight elements is complete, the elements ... More

KENNEDY SPACE CENTER, FLA. - Workers in the Payload Hazardous Servicing Facility examine the Mars Exploration Rover 2 (MER-2) as it is lowered onto the base petal of the lander. Set to launch in Spring 2003, the MER Mission consists of two identical rovers. Landing at different regions of Mars, they are designed to cover roughly 110 yards each Martian day over various terrain. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The first rover has a launch window opening May 30, and the second rover a window opening June 25. KSC-03pd0986

KENNEDY SPACE CENTER, FLA. - Workers in the Payload Hazardous Servici...

KENNEDY SPACE CENTER, FLA. - Workers in the Payload Hazardous Servicing Facility examine the Mars Exploration Rover 2 (MER-2) as it is lowered onto the base petal of the lander. Set to launch in Spring 2003, ... More

KENNEDY SPACE CENTER, FLA. - Workers in the Payload Hazardous Servicing Facility watch as the Mars Exploration Rover 2 (MER-2) is lowered onto the base petal of the lander. Set to launch in Spring 2003, the MER Mission consists of two identical rovers. Landing at different regions of Mars, they are designed to cover roughly 110 yards each Martian day over various terrain. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The first rover has a launch window opening May 30, and the second rover a window opening June 25. KSC-03pd0985

KENNEDY SPACE CENTER, FLA. - Workers in the Payload Hazardous Servici...

KENNEDY SPACE CENTER, FLA. - Workers in the Payload Hazardous Servicing Facility watch as the Mars Exploration Rover 2 (MER-2) is lowered onto the base petal of the lander. Set to launch in Spring 2003, the M... More

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 39B at NASA's Kennedy Space Center, the payload canister holding Space Shuttle Discovery's payloads is ready to be lifted up to the payload changeout room on the rotating service structure. The payload changeout room provides an environmentally clean or "white room" condition in which to receive a payload transferred from a protective payload canister. After the shuttle arrives at the pad, the rotating service structure will close around it and the payloads, which include the multi-purpose logistics module and integrated cargo carrier, will then be transferred from the changeout room into Discovery's payload bay. Discovery's launch to the International Space Station on mission STS-121 is targeted for July 1 in a launch window that extends to July 19. During the 12-day mission, crew members will test new hardware and techniques to improve shuttle safety. Photo credit: NASA/Kim Shiflett KSC-06pd0854

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 39B at NASA's Kennedy Spa...

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 39B at NASA's Kennedy Space Center, the payload canister holding Space Shuttle Discovery's payloads is ready to be lifted up to the payload changeout room on the rot... More

KENNEDY SPACE CENTER, FLA. -- On its slow 4.2-mile journey via the crawlerway to Launch Pad 39B, Space Shuttle Discovery passes the barge in the turn basin. The shuttle rests on the mobile launcher platform. Underneath is the crawler, providing transport via the crawlerway. First motion of the shuttle from NASA's Vehicle Assembly Building was at 12:45 p.m. EDT. The rollout is an important step before launch of Discovery on mission STS-121 to the International Space Station. Discovery's launch is targeted for July 1 in a launch window that extends to July 19. During the 12-day mission, Discovery's crew will test new hardware and techniques to improve shuttle safety, as well as deliver supplies and make repairs to the station. Photo credit: NASA/Dimitri Gerondidakis KSC-06pd0879

KENNEDY SPACE CENTER, FLA. -- On its slow 4.2-mile journey via the ...

KENNEDY SPACE CENTER, FLA. -- On its slow 4.2-mile journey via the crawlerway to Launch Pad 39B, Space Shuttle Discovery passes the barge in the turn basin. The shuttle rests on the mobile launcher platform.... More

KENNEDY SPACE CENTER, FLA. -- From high bay 3 of NASA's Vehicle Assembly Building, Space Shuttle Discovery is ready to begin its slow 4.2-mile journey via the crawlerway to Launch Pad 39B. The shuttle rests on a mobile launcher platform that sits atop a crawler-transporter. The rollout is an important step before launch of Discovery on mission STS-121 to the International Space Station. Discovery's launch is targeted for July 1 in a launch window that extends to July 19. During the 12-day mission, Discovery's crew will test new hardware and techniques to improve shuttle safety, as well as deliver supplies and make repairs to the station. Photo credit: NASA/George Shelton KSC-06pd0880

KENNEDY SPACE CENTER, FLA. -- From high bay 3 of NASA's Vehicle Ass...

KENNEDY SPACE CENTER, FLA. -- From high bay 3 of NASA's Vehicle Assembly Building, Space Shuttle Discovery is ready to begin its slow 4.2-mile journey via the crawlerway to Launch Pad 39B. The shuttle rests... More

KENNEDY SPACE CENTER, FLA. -- A worker checks the movement of the crawler-transporter carrying Space Shuttle Discovery on its rollout to Launch Pad 39B. The bottom of the mobile launcher platform, on which the shuttle rests, can be seen above the cab on the crawler. First motion of the shuttle leaving NASA's Vehicle Assembly Building was at 12:45 p.m. EDT. The rollout is an important step before launch of Discovery on mission STS-121 to the International Space Station. Discovery's launch is targeted for July 1 in a launch window that extends to July 19. During the 12-day mission, Discovery's crew will test new hardware and techniques to improve shuttle safety, as well as deliver supplies and make repairs to the station. Photo credit: NASA/Dimitri Gerondidakis KSC-06pd0895

KENNEDY SPACE CENTER, FLA. -- A worker checks the movement of the cra...

KENNEDY SPACE CENTER, FLA. -- A worker checks the movement of the crawler-transporter carrying Space Shuttle Discovery on its rollout to Launch Pad 39B. The bottom of the mobile launcher platform, on which th... More

KENNEDY SPACE CENTER, FLA. -- The orbiter Discovery is lowered toward the mobile launcher platform in high bay 3 of the Vehicle Assembly Building. Behind the vehicle are the external tank and solid rocket boosters already stacked on the MLP. Discovery will be mated to the stack in preparation for launch. Space Shuttle Discovery is scheduled to roll out to Launch Pad 39B no earlier than Nov. 7 for mission STS-116. The mission is No. 20 to the International Space Station and construction flight 12A.1. The mission payload is the SPACEHAB module, the P5 integrated truss structure and other key components. The launch window for mission STS-116 opens Dec. 7. Photo credit: NASA/Kim Shiflett KSC-06pd2439

KENNEDY SPACE CENTER, FLA. -- The orbiter Discovery is lowered toward ...

KENNEDY SPACE CENTER, FLA. -- The orbiter Discovery is lowered toward the mobile launcher platform in high bay 3 of the Vehicle Assembly Building. Behind the vehicle are the external tank and solid rocket boos... More

KENNEDY SPACE CENTER, FLA. -- With its crane still attached, the orbiter Discovery is settled into place behind the external tank and solid rocket boosters on the mobile launcher platform in high bay 3 of the Vehicle Assembly Building. The orbiter will be mated to the stack in preparation for launch. Space Shuttle Discovery is scheduled to roll out to Launch Pad 39B no earlier than Nov. 7 for mission STS-116. The mission is No. 20 to the International Space Station and construction flight 12A.1. The mission payload is the SPACEHAB module, the P5 integrated truss structure and other key components. The launch window for mission STS-116 opens Dec. 7. Photo credit: NASA/Kim Shiflett KSC-06pd2440

KENNEDY SPACE CENTER, FLA. -- With its crane still attached, the orbi...

KENNEDY SPACE CENTER, FLA. -- With its crane still attached, the orbiter Discovery is settled into place behind the external tank and solid rocket boosters on the mobile launcher platform in high bay 3 of the ... More

KENNEDY SPACE CENTER, FLA. -- Inside the Vehicle Assembly Building, a crane and sling attached to the orbiter Discovery is lifting the vehicle toward the upper levels for transfer to high bay 3. There it will be lowered onto the mobile launcher platform where the external tank and solid rocket boosters are already stacked. Space Shuttle Discovery is scheduled to roll out to Launch Pad 39B no earlier than Nov. 7 for mission STS-116. The mission is No. 20 to the International Space Station and construction flight 12A.1. The mission payload is the SPACEHAB module, the P5 integrated truss structure and other key components. The launch window for mission STS-116 opens Dec. 7. Photo credit: NASA/Kim Shiflett KSC-06pd2432

KENNEDY SPACE CENTER, FLA. -- Inside the Vehicle Assembly Building, a...

KENNEDY SPACE CENTER, FLA. -- Inside the Vehicle Assembly Building, a crane and sling attached to the orbiter Discovery is lifting the vehicle toward the upper levels for transfer to high bay 3. There it will... More

KENNEDY SPACE CENTER, FLA. -- The orbiter Discovery is suspended vertically above the floor of the transfer aisle of the Vehicle Assembly Building. Discovery will be lifted up into high bay 3 and lowered onto the mobile launcher platform where the external tank and solid rocket boosters are already stacked. Space Shuttle Discovery is scheduled to roll out to Launch Pad 39B no earlier than Nov. 7 for mission STS-116. The mission is No. 20 to the International Space Station and construction flight 12A.1. The mission payload is the SPACEHAB module, the P5 integrated truss structure and other key components. The launch window for mission STS-116 opens Dec. 7. Photo credit: NASA/Jack Pfaller KSC-06pd2425

KENNEDY SPACE CENTER, FLA. -- The orbiter Discovery is suspended vert...

KENNEDY SPACE CENTER, FLA. -- The orbiter Discovery is suspended vertically above the floor of the transfer aisle of the Vehicle Assembly Building. Discovery will be lifted up into high bay 3 and lowered onto ... More

KENNEDY SPACE CENTER, FLA. -- Inside the Space Station Processing Facility, technicians secure the protective coverings on the SPACEHAB Module before it is transferred to the Payload Canister. The SPACEHAB Module will carry racks of experiments, flight hardware, spacewalk equipment and supplies to support mission STS-116 to the International Space Station. STS-116 will be mission number 20 to the station and construction flight 12A.1. Along with SPACEHAB, the mission payload on Space Shuttle Discovery includes the P5 integrated truss structure and other key components. The launch window opens Dec. 7. Photo credit: NASA/Troy Cryder KSC-06pd2443

KENNEDY SPACE CENTER, FLA. -- Inside the Space Station Processing Fac...

KENNEDY SPACE CENTER, FLA. -- Inside the Space Station Processing Facility, technicians secure the protective coverings on the SPACEHAB Module before it is transferred to the Payload Canister. The SPACEHAB Mod... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery, on top of the mobile launcher platform and crawler-transporter, passes through the gate to Launch Pad 39B for launch of mission STS-116. The rollout from the Vehicle Assembly Building began at 12:29 a.m. The mission is No. 20 to the International Space Station and construction flight 12A.1. The mission payload is the SPACEHAB module, the P5 integrated truss structure and other key components. The launch window for mission STS-116 opens Dec. 7. Photo credit: NASA/Jim Grossmann KSC-06pd2481

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery, on top of the ...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery, on top of the mobile launcher platform and crawler-transporter, passes through the gate to Launch Pad 39B for launch of mission STS-116. The rollout from ... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery, atop the mobile launcher platform and moved by the crawler-transporter underneath, makes its final approach up the ramp to Launch Pad 39B for launch of mission STS-116. The mission is No. 20 to the International Space Station and construction flight 12A.1. The mission payload is the SPACEHAB module, the P5 integrated truss structure and other key components. The launch window for mission STS-116 opens Dec. 7. Photo credit: NASA/Amanda Diller KSC-06pd2476

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery, atop the mobil...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery, atop the mobile launcher platform and moved by the crawler-transporter underneath, makes its final approach up the ramp to Launch Pad 39B for launch of mi... More

CAPE CANAVERAL, Fla. -- NASA's Juno spacecraft, enclosed in its payload fairing atop a United Launch Alliance Atlas V-551 launch vehicle, is in position on the launch pad at Space Launch Complex 41 on Cape Canaveral Air Force Station in Florida. Liftoff is planned during a launch window which extends from 11:34 a.m. to 12:43 p.m. EDT on Aug. 5. The solar-powered spacecraft will orbit Jupiter's poles 33 times to find out more about the gas giant's origins, structure, atmosphere and magnetosphere and investigate the existence of a solid planetary core. NASA's Jet Propulsion Laboratory, Pasadena, Calif., manages the Juno mission for the principal investigator, Scott Bolton, of Southwest Research Institute in San Antonio. The Juno mission is part of the New Frontiers Program managed at NASA's Marshall Space Flight Center in Huntsville, Ala. Lockheed Martin Space Systems, Denver, built the spacecraft. Launch management for the mission is the responsibility of NASA's Launch Services Program at the Kennedy Space Center in Florida. For more information, visit www.nasa.gov/juno. Photo credit: NASA/Kim Shiflett KSC-2011-6194

CAPE CANAVERAL, Fla. -- NASA's Juno spacecraft, enclosed in its payloa...

CAPE CANAVERAL, Fla. -- NASA's Juno spacecraft, enclosed in its payload fairing atop a United Launch Alliance Atlas V-551 launch vehicle, is in position on the launch pad at Space Launch Complex 41 on Cape Cana... More

CAPE CANAVERAL, Fla. – At NASA Kennedy Space Center in Florida, media representatives taking the 21st Century Ground Systems tour get a close-up look at space shuttle Endeavour which is being stored in the Vehicle Assembly Building. Other stops on the tour include a crawler-transporter parked on the crawlerway, the new mobile launcher on Launch Pad 39B, and the Launch Control Center's Firing Room 1. These facilities and equipment will be used to prepare and launch NASA's new Orion spacecraft on the Space Launch System heavy-lift rocket. The tour was arranged as part of prelaunch media activities for the agency's Mars Science Laboratory (MSL) launch. Liftoff of MSL aboard a United Launch Alliance Atlas V rocket from Space Launch Complex-41 on Cape Canaveral Air Force Station is planned during a launch window which extends from 10:02 a.m. to 11:45 a.m. EST on Nov. 26. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Jim Grossmann KSC-2011-7922

CAPE CANAVERAL, Fla. – At NASA Kennedy Space Center in Florida, media ...

CAPE CANAVERAL, Fla. – At NASA Kennedy Space Center in Florida, media representatives taking the 21st Century Ground Systems tour get a close-up look at space shuttle Endeavour which is being stored in the Vehi... More

CAPE CANAVERAL, Fla. – At NASA Kennedy Space Center in Florida, media representatives taking the 21st Century Ground Systems tour appear to be the size of ants in this view from the top of the 355-foot-tall mobile launcher on Launch Pad 39B. Other stops on the tour include the Vehicle Assembly Building, a crawler-transporter parked on the crawlerway, and the Launch Control Center's Firing Room 1. These facilities and equipment will be used to prepare and launch NASA's new Orion spacecraft on the Space Launch System heavy-lift rocket. The tour was arranged as part of prelaunch media activities for the agency's Mars Science Laboratory (MSL) launch. Liftoff of MSL aboard a United Launch Alliance Atlas V rocket from Space Launch Complex-41 on Cape Canaveral Air Force Station is planned during a launch window which extends from 10:02 a.m. to 11:45 a.m. EST on Nov. 26. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Jim Grossmann KSC-2011-7925

CAPE CANAVERAL, Fla. – At NASA Kennedy Space Center in Florida, media ...

CAPE CANAVERAL, Fla. – At NASA Kennedy Space Center in Florida, media representatives taking the 21st Century Ground Systems tour appear to be the size of ants in this view from the top of the 355-foot-tall mob... More

CAPE CANAVERAL, Fla. – At NASA Kennedy Space Center in Florida, Mary Hanna, NASA crawler-transporter project manager, outlines the upgrades planned for the crawler-transport to support NASA's forthcoming Space Launch System heavy-lift rocket. Hanna's audience is made up of media representatives taking the 21st Century Ground Systems tour. Other stops on the tour include the Vehicle Assembly Building, the new mobile launcher on Launch Pad 39B, and the Launch Control Center's Firing Room 1. These facilities and equipment will be used to prepare and launch NASA's new Orion spacecraft. The tour was arranged as part of prelaunch media activities for the agency's Mars Science Laboratory (MSL) launch. Liftoff of MSL aboard a United Launch Alliance Atlas V rocket from Space Launch Complex-41 on Cape Canaveral Air Force Station is planned during a launch window which extends from 10:02 a.m. to 11:45 a.m. EST on Nov. 26. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Jim Grossmann KSC-2011-7923

CAPE CANAVERAL, Fla. – At NASA Kennedy Space Center in Florida, Mary H...

CAPE CANAVERAL, Fla. – At NASA Kennedy Space Center in Florida, Mary Hanna, NASA crawler-transporter project manager, outlines the upgrades planned for the crawler-transport to support NASA's forthcoming Space ... More

CAPE CANAVERAL, Fla. – Doug McCuistion, director of the Mars Exploration Program at NASA Headquarters, speaks to a group of Tweetup participants at NASA Kennedy Space Center's Press Site in Florida during prelaunch activities for the agency’s Mars Science Laboratory (MSL) launch. Following a series of briefings, participants will tour the center and get a close-up view of Space Launch Complex-41 on Cape Canaveral Air Force Station. The tweeters will share their experiences with followers through the social networking site Twitter. MSL's components include a car-sized rover, Curiosity, which has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Liftoff of MSL aboard a United Launch Alliance Atlas V rocket from pad 41 is planned during a launch window which extends from 10:02 a.m. to 11:45 a.m. EST on Nov. 26. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Jim Grossmann KSC-2011-7933

CAPE CANAVERAL, Fla. – Doug McCuistion, director of the Mars Explorati...

CAPE CANAVERAL, Fla. – Doug McCuistion, director of the Mars Exploration Program at NASA Headquarters, speaks to a group of Tweetup participants at NASA Kennedy Space Center's Press Site in Florida during prela... More

CAPE CANAVERAL, Fla. – Rex Engelhardt, mission manager in NASA's Launch Services Program at the NASA Kennedy Space Center, speaks to a group of Tweetup participants at Kennedy's Press Site in Florida during prelaunch activities for the agency’s Mars Science Laboratory (MSL) launch. Following a series of briefings, participants will tour the center and get a close-up view of Space Launch Complex-41 on Cape Canaveral Air Force Station. The tweeters will share their experiences with followers through the social networking site Twitter. MSL's components include a car-sized rover, Curiosity, which has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Liftoff of MSL aboard a United Launch Alliance Atlas V rocket from pad 41 is planned during a launch window which extends from 10:02 a.m. to 11:45 a.m. EST on Nov. 26. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Jim Grossmann KSC-2011-7937

CAPE CANAVERAL, Fla. – Rex Engelhardt, mission manager in NASA's Launc...

CAPE CANAVERAL, Fla. – Rex Engelhardt, mission manager in NASA's Launch Services Program at the NASA Kennedy Space Center, speaks to a group of Tweetup participants at Kennedy's Press Site in Florida during pre... More

CAPE CANAVERAL, Fla. – David Blake, NASA principal investigator for the Chemistry and Mineralogy (CheMin) investigation by the Curiosity rover, explains the experiment to the media in NASA Kennedy Space Center's Press Site auditorium in Florida during prelaunch activities for the agency’s Mars Science Laboratory (MSL) launch. CheMin is designed to analyze powdered rock and soil samples by identifying and quantifying their mineral content using X-ray diffraction, a first for a mission to Mars. The car-sized Martian rover, Curiosity, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Liftoff of MSL aboard a United Launch Alliance Atlas V rocket from Space Launch Complex-41 on Cape Canaveral Air Force Station is planned during a launch window which extends from 10:02 a.m. to 11:45 a.m. EST on Nov. 26. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Kim Shiflett KSC-2011-7942

CAPE CANAVERAL, Fla. – David Blake, NASA principal investigator for th...

CAPE CANAVERAL, Fla. – David Blake, NASA principal investigator for the Chemistry and Mineralogy (CheMin) investigation by the Curiosity rover, explains the experiment to the media in NASA Kennedy Space Center'... More

CAPE CANAVERAL, Fla. – From left, former astronaut Leland Melvin, NASA associate administrator for Education; Will.i.am, entertainer and member of The Black Eyed Peas; and NASA Deputy Administrator Lori Garver share a light moment with the participants of a NASA Tweetup in a tent set up at NASA Kennedy Space Center's Press Site in Florida during prelaunch activities for the agency’s Mars Science Laboratory (MSL) launch. Participants in the Tweetup are given the opportunity to listen to agency briefings, tour locations on the center normally off limits to visitors, and get a close-up view of Space Launch Complex-41 on Cape Canaveral Air Force Station. The tweeters will share their experiences with followers through the social networking site Twitter. The MSL mission will pioneer precision landing technology and a sky-crane touchdown to place a car-sized rover, Curiosity, near the foot of a mountain inside Gale Crater on Aug. 6, 2012. During a nearly two-year prime mission after landing, the rover will investigate whether the region has ever offered conditions favorable for microbial life, including the chemical ingredients for life. Liftoff of MSL aboard a United Launch Alliance Atlas V rocket from pad 41 is planned during a launch window which extends from 10:02 a.m. to 11:45 a.m. EST on Nov. 26. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Frankie Martin KSC-2011-7956

CAPE CANAVERAL, Fla. – From left, former astronaut Leland Melvin, NASA...

CAPE CANAVERAL, Fla. – From left, former astronaut Leland Melvin, NASA associate administrator for Education; Will.i.am, entertainer and member of The Black Eyed Peas; and NASA Deputy Administrator Lori Garver ... More

CAPE CANAVERAL, Fla. – NASA Administrator Charles Bolden addresses the participants of a NASA Tweetup in a tent set up at NASA Kennedy Space Center's Press Site in Florida during prelaunch activities for the agency’s Mars Science Laboratory (MSL) launch. Participants in the Tweetup are given the opportunity to listen to agency briefings, tour locations on the center normally off limits to visitors, and get a close-up view of Space Launch Complex-41 on Cape Canaveral Air Force Station. The tweeters will share their experiences with followers through the social networking site Twitter. The MSL mission will pioneer precision landing technology and a sky-crane touchdown to place a car-sized rover, Curiosity, near the foot of a mountain inside Gale Crater on Aug. 6, 2012. During a nearly two-year prime mission after landing, the rover will investigate whether the region has ever offered conditions favorable for microbial life, including the chemical ingredients for life. Liftoff of MSL aboard a United Launch Alliance Atlas V rocket from pad 41 is planned during a launch window which extends from 10:02 a.m. to 11:45 a.m. EST on Nov. 26. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Frankie Martin KSC-2011-7950

CAPE CANAVERAL, Fla. – NASA Administrator Charles Bolden addresses the...

CAPE CANAVERAL, Fla. – NASA Administrator Charles Bolden addresses the participants of a NASA Tweetup in a tent set up at NASA Kennedy Space Center's Press Site in Florida during prelaunch activities for the ag... More

STS-43 Atlantis, OV-104, soars into space after liftoff from KSC LC Pad 39A

STS-43 Atlantis, OV-104, soars into space after liftoff from KSC LC Pa...

STS043-S-088 (2 Aug 1991) --- A low angle, 35mm view of the Space Shuttle Atlantis as it soars toward space to begin a scheduled nine-day mission. The 11:02:00 a.m. (EDT) liftoff from Launch Pad 39A came at th... More

KENNEDY SPACE CENTER, FLA. - At the KSC Launch Pad 39A, two members of the payload closeout crew check equipment as the doors are just about ready to be closed. The Payload inside the bay of Discovery, the orbiter for the STS-82 mission, is ready for the launch of the second Hubble Space Telescope service mission. The payload consists of the Near Infrared Camera and Multi-Object Spectrometer (NICMOS) that will be installed, Fine Guidance Sensor #1 (FGS-1), and the Space Telescope Imaging Spectrograph (STIS) to be installed. The STS-82 will launch with a crew of seven at 3:54 a.m. EST, Feb. 11, 1997. The launch window is 65 minutes in duration. The Mission Commander for STS-82 is Ken Bowersox. The purpose of the mission is to upgrade the scientific capabilities, service or replace aging components on the Telescope and provide a reboost to the optimum altitude.

KENNEDY SPACE CENTER, FLA. - At the KSC Launch Pad 39A, two members ...

KENNEDY SPACE CENTER, FLA. - At the KSC Launch Pad 39A, two members of the payload closeout crew check equipment as the doors are just about ready to be closed. The Payload inside the bay of Discovery, the o... More

STS-83 Mission Specialist Donald A. Thomas is assisted into his launch/entry suit in the Operations and Checkout (O&C) Building. He has flown on both STS-70 and STS-65. He holds a doctorate in materials science and has been the Principal Investigator for a Space Shuttle crystal growth experiment. Because of his background in materials science, Thomas will be concentrating his efforts during the Red shift on the five experiments in this discipline in the large Isothermal Furnace. He also will work on the ten materials science investigations in the Electromagnetic Containerless Processing Facility and four that will be measuring the effects of microgravity and motion in the orbiter on the experiments. Thomas and six fellow crew members will shortly depart the O&C and head for Launch Pad 39A, where the Space Shuttle Columbia will lift off during a launch window that opens at 2:00 pm EST, April 4 KSC-97pc561

STS-83 Mission Specialist Donald A. Thomas is assisted into his launch...

STS-83 Mission Specialist Donald A. Thomas is assisted into his launch/entry suit in the Operations and Checkout (O&C) Building. He has flown on both STS-70 and STS-65. He holds a doctorate in materials science... More

STS-94 Payload Specialist Gregory T. Linteris waves as he completes the donning of his launch/entry suit in the Operations and Checkout (O&C) Building. He holds a doctorate in mechanical and aerospace engineering. Linteris has worked at the National Institute of Standards and Technology and is the Principal Investigator on a NASA microgravity combustion experiment. As a member of the Red team, Linteris will concentrate on three combustion experiments. Two of these experiments are housed in the Combustion Module. He will also be backing up crew members on the other Microgravity Science Laboratory-1 (MSL-1) investigations. He and six fellow crew members will shortly depart the O&C and head for Launch Pad 39A, where the Space Shuttle Columbia will lift off during a launch window that opens at 1:50 p.m. EDT, July 1. The launch window was opened 47 minutes early to improve the opportunity to lift off before Florida summer rain showers reached the space center KSC-97PC951

STS-94 Payload Specialist Gregory T. Linteris waves as he completes t...

STS-94 Payload Specialist Gregory T. Linteris waves as he completes the donning of his launch/entry suit in the Operations and Checkout (O&C) Building. He holds a doctorate in mechanical and aerospace engine... More

At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical power systems that have flown successfully on 23 previous U.S. missions over the past 37 years. These generators produce power by converting heat into electrical energy; the heat is provided by the natural radioactive decay of plutonium-238 dioxide, a non-weapons-grade material. RTGs enable spacecraft to operate at significant distances from the Sun where solar power systems would not be feasible. Cassini will travel two billion miles to reach Saturn and another 1.1 billion miles while in orbit around Saturn. Cassini is undergoing final preparations for liftoff on a Titan IVB/Centaur launch vehicle, with the launch window opening at 4:55 a.m. EDT, Oct. 13 KSC-97PC1538

At Launch Complex 40 on Cape Canaveral Air Station, workers are instal...

At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical powe... More

STS-89 Mission Specialist Bonnie Dunbar, Ph.D., smiles as she completes the donning of her launch/entry suit in the Operations and Checkout (O&C) Building. Dr. Dunbar completed her doctorate at the University of Houston in Texas. Her multi-disciplinary dissertation (materials science and physiology) involved evaluating the effects of simulated space flight on bone strength and fracture toughness. She and six fellow crew members will shortly depart the O&C and head for Launch Pad 39A, where the Space Shuttle Endeavour will lift off during a launch window that opens at 9:43 p.m. EST, Jan. 22. STS-89 is the eighth of nine planned missions to dock the Space Shuttle with Russia's Mir space station KSC-98pc207

STS-89 Mission Specialist Bonnie Dunbar, Ph.D., smiles as she complete...

STS-89 Mission Specialist Bonnie Dunbar, Ph.D., smiles as she completes the donning of her launch/entry suit in the Operations and Checkout (O&C) Building. Dr. Dunbar completed her doctorate at the University o... More

KENNEDY SPACE CENTER, FLA. -- STS-90 Mission Specialist Dafydd (Dave) Williams, M.D., with the Canadian Space Agency is assisted by NASA and United Space Alliance closeout crew members immediately preceding launch for the nearly 17-day Neurolab mission. Investigations during the Neurolab mission will focus on the effects of microgravity on the nervous system. Seen behind Williams also in an orange launch and re-entry suit is Mission Specialist Richard Linnehan, D.V.M. Williams and six fellow crew members will shortly enter the orbiter at KSC's Launch Pad 39B, where the Space Shuttle Columbia will lift off during a launch window that opens at 2:19 p.m. EDT, April 17 KSC-98pc508

KENNEDY SPACE CENTER, FLA. -- STS-90 Mission Specialist Dafydd (Dave) ...

KENNEDY SPACE CENTER, FLA. -- STS-90 Mission Specialist Dafydd (Dave) Williams, M.D., with the Canadian Space Agency is assisted by NASA and United Space Alliance closeout crew members immediately preceding lau... More

STS-91 Mission Specialist Franklin Chang-Diaz, Ph.D., is learning how to operate an M-113 armored personnel carrier during Terminal Countdown Demonstration Test (TCDT) training activities. The TCDT is held at KSC prior to each Space Shuttle flight to provide crews with an opportunity to participate in simulated countdown activities. STS-91 is scheduled to be launched on June 2 with a launch window opening around 6:10 p.m. EDT. The mission will feature the ninth Shuttle docking with the Russian Space Station Mir, the first Mir docking for Discovery, the conclusion of Phase I of the joint U.S.-Russian International Space Station Program, and the first flight of the new Space Shuttle super lightweight external tank. The STS-91 flight crew also includes Commander Charles Precourt; Pilot Dominic Gorie; and Mission Specialists Wendy B. Lawrence; Janet Kavandi, Ph.D.; and Valery Ryumin, with the Russian Space Agency. Andrew Thomas, Ph.D., will be returning to Earth with the crew after living more than four months aboard Mir KSC-98pc602

STS-91 Mission Specialist Franklin Chang-Diaz, Ph.D., is learning how ...

STS-91 Mission Specialist Franklin Chang-Diaz, Ph.D., is learning how to operate an M-113 armored personnel carrier during Terminal Countdown Demonstration Test (TCDT) training activities. The TCDT is held at K... More

STS-91 Mission Specialist Wendy B. Lawrence is learning how to operate an M-113 armored personnel carrier during Terminal Countdown Demonstration Test (TCDT) training activities. The TCDT is held at KSC prior to each Space Shuttle flight to provide crews with an opportunity to participate in simulated countdown activities. STS-91 is scheduled to be launched on June 2 with a launch window opening around 6:10 p.m. EDT. The mission will feature the ninth Shuttle docking with the Russian Space Station Mir, the first Mir docking for Discovery, the conclusion of Phase I of the joint U.S.-Russian International Space Station Program, and the first flight of the new Space Shuttle super lightweight external tank. The STS-91 flight crew also includes Commander Charles Precourt; Pilot Dominic Gorie; and Mission Specialists Franklin Chang-Diaz, Ph.D.; Janet Kavandi, Ph.D.; and Valery Ryumin, with the Russian Space Agency. Andrew Thomas, Ph.D., will be returning to Earth with the crew after living more than four months aboard Mir KSC-98pc601

STS-91 Mission Specialist Wendy B. Lawrence is learning how to operate...

STS-91 Mission Specialist Wendy B. Lawrence is learning how to operate an M-113 armored personnel carrier during Terminal Countdown Demonstration Test (TCDT) training activities. The TCDT is held at KSC prior t... More

KENNEDY SPACE CENTER, Fla. -- STS-91 Mission Specialist Janet Kavandi, Ph.D., pauses on the 217-foot level of Launch Complex 39A after the completion of Terminal Countdown Demonstration Test (TCDT) activities. Behind her, the Space Shuttle Discovery is being prepared for flight. The TCDT is held at KSC prior to each Space Shuttle flight to provide crews with an opportunity to participate in simulated countdown activities. STS-91 is scheduled to be launched on June 2 with a launch window opening around 6:10 p.m. EDT. The mission will feature the ninth Shuttle docking with the Russian Space Station Mir, the first Mir docking for Discovery, the conclusion of Phase I of the joint U.S.-Russian International Space Station Program, and the first flight of the new Space Shuttle super lightweight external tank. The STS-91 flight crew also includes Commander Charles Precourt; Pilot Dominic Gorie; and Mission Specialists Wendy B. Lawrence; Franklin Chang-Diaz, Ph.D.; and Valery Ryumin, with the Russian Space Agency. Andrew Thomas, Ph.D., will be returning to Earth with the crew after living more than four months aboard Mir KSC-98pc612

KENNEDY SPACE CENTER, Fla. -- STS-91 Mission Specialist Janet Kavandi...

KENNEDY SPACE CENTER, Fla. -- STS-91 Mission Specialist Janet Kavandi, Ph.D., pauses on the 217-foot level of Launch Complex 39A after the completion of Terminal Countdown Demonstration Test (TCDT) activities.... More

STS-91 Mission Commander Charles Precourt (left) talks to Elena V. Kondakova and her husband, Valery Ryumin, a cosmonaut with the Russian Space Agency (RSA) and STS-91 mission specialist, at Kennedy Space Center's Shuttle Landing Facility (SLF). The STS-91 crew had just arrived at the SLF aboard T-38 jets in preparation for launch. Kondakova, also a cosmonaut with the RSA, flew with Commander Precourt as a mission specialist on STS-84 which launched on May 15, 1997. STS-91 is scheduled to be launched on June 2 on Space Shuttle Discovery with a launch window opening around 6:10 p.m. EDT. The mission will feature the ninth Shuttle docking with the Russian Space Station Mir, the first Mir docking for Discovery, the conclusion of Phase I of the joint U.S.-Russian International Space Station Program, and the first flight of the new Space Shuttle super lightweight external tank. The STS-91 flight crew also includes Pilot Dominic Gorie and Mission Specialists Wendy B. Lawrence; Franklin Chang-Diaz, Ph.D.; and Janet Kavandi, Ph.D. Andrew Thomas, Ph.D., will be returning to Earth with the crew after living more than four months aboard Mir KSC-98pc662

STS-91 Mission Commander Charles Precourt (left) talks to Elena V. Kon...

STS-91 Mission Commander Charles Precourt (left) talks to Elena V. Kondakova and her husband, Valery Ryumin, a cosmonaut with the Russian Space Agency (RSA) and STS-91 mission specialist, at Kennedy Space Cente... More

STS-91 Mission Specialist Janet Lynn Kavandi gives a smile and a thumbs-up as two technicians help her with her flight suit in the Operations and Checkout (O&C) Building. The final fitting takes place prior to the crew walkout and transport to Launch Pad 39A. She is on her first Shuttle flight. Kavandi was selected as an astronaut candidate in 1994. She holds a doctorate in analytical chemistry and has received two patents. On this mission, she will be responsible for the SPACEHAB module aboard Discovery which will be used to transport supplies to Mir and bring back U.S. experiment hardware that has been in operation aboard the space station. She will also assist Chang-Diaz with AMS operations. STS-91 is scheduled to be launched on June 2 with a launch window opening around 6:10 p.m. EDT. The mission will feature the ninth and final Shuttle docking with the Russian space station Mir, the first Mir docking for Discovery, the first on-orbit test of the Alpha Magnetic Spectrometer (AMS), and the first flight of the new Space Shuttle super lightweight external tank. Astronaut Andrew S. W. Thomas will return to Earth as a STS-91 crew member after living more than four months aboard Mir KSC-98pc676

STS-91 Mission Specialist Janet Lynn Kavandi gives a smile and a thumb...

STS-91 Mission Specialist Janet Lynn Kavandi gives a smile and a thumbs-up as two technicians help her with her flight suit in the Operations and Checkout (O&C) Building. The final fitting takes place prior to ... More

At Launch Pad 36A, Cape Canaveral Air Station, a Centaur upper stage is lifted up the gantry for mating with the lower stage Lockheed Martin Atlas IIA rocket seen behind it. The Lockheed Martin-manufactured Centaur IIA is powered by two Pratt & Whitney turbopump-fed engines, producing a total thrust of 41,600 pounds. The rocket is scheduled to launch the NASA GOES-L satellite on May 15, at the opening of a launch window which extends from 2:23 to 4:41 a.m. EDT. Once in orbit, the satellite will become GOES-11, joining GOES-8, GOES-9 and GOES-10 in space. The fourth of a new advanced series of geostationary weather satellites for the National Oceanic and Atmospheric Administration (NOAA), GOES-L is a three-axis inertially stabilized spacecraft that will provide pictures and perform atmospheric sounding at the same time. Once launched, the satellite will undergo checkout and then provide backup capabilities for the existing, aging operational satellites KSC-99pp0427

At Launch Pad 36A, Cape Canaveral Air Station, a Centaur upper stage i...

At Launch Pad 36A, Cape Canaveral Air Station, a Centaur upper stage is lifted up the gantry for mating with the lower stage Lockheed Martin Atlas IIA rocket seen behind it. The Lockheed Martin-manufactured Cen... More

KENNEDY SPACE CENTER, FLA. -- A transporter carrying the encapsulated TDRS-J satellite crosses a bridge heading to Launch Complex 36-A, Cape Canaveral Air Force Station, for a launch Dec. 4 aboard an Atlas IIA vehicle. The launch window is 9:42 to 10:22 p.m. EST. TDRS-J, the third in a series of telemetry satellites, will help replenish the current constellation of geosynchronous TDRS satellites that are the primary source of space-to-ground voice, data and telemetry for the Space Shuttle. The satellites also provide communications with the International Space Station and scientific spacecraft in low-Earth orbit such as the Hubble Space Telescope. This new advanced series of satellites will extend the availability of TDRS communications services until about 2017. KSC-02pd1833

KENNEDY SPACE CENTER, FLA. -- A transporter carrying the encapsulated ...

KENNEDY SPACE CENTER, FLA. -- A transporter carrying the encapsulated TDRS-J satellite crosses a bridge heading to Launch Complex 36-A, Cape Canaveral Air Force Station, for a launch Dec. 4 aboard an Atlas IIA... More

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, workers lift the cover from the Mars Exploration Rover -2. Set to launch in 2003, the Mars Exploration Rover Mission will consist of two identical rovers designed to cover roughly 110 yards (100 meters) each Martian day. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, 2003, and the second rover a window opening June 25, 2003. KSC-03pd0209

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facili...

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, workers lift the cover from the Mars Exploration Rover -2. Set to launch in 2003, the Mars Exploration Rover Mission will consist of two... More

KENNEDY SPACE CENTER, FLA. - Suspended by an overhead crane in the Payload Hazardous Servicing Facility, the Mars Exploration Rover (MER) aeroshell is guided by workers as it moves to a rotation stand. Set to launch in 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards (100 meters) each Martian day. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, and the second rover a window opening June 25, 2003. KSC-03pd0233

KENNEDY SPACE CENTER, FLA. - Suspended by an overhead crane in the Pay...

KENNEDY SPACE CENTER, FLA. - Suspended by an overhead crane in the Payload Hazardous Servicing Facility, the Mars Exploration Rover (MER) aeroshell is guided by workers as it moves to a rotation stand. Set to ... More

KENNEDY SPACE CENTER, FLA. -- Technicians secure the aeroshell for Mars Exploration Rover 2 to a workstand in the Payload Hazardous Servicing Facility. Set to launch in 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards each Martian day. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, and the second rover, a window opening June 25, 2003. KSC-03pd0457

KENNEDY SPACE CENTER, FLA. -- Technicians secure the aeroshell for Mar...

KENNEDY SPACE CENTER, FLA. -- Technicians secure the aeroshell for Mars Exploration Rover 2 to a workstand in the Payload Hazardous Servicing Facility. Set to launch in 2003, the MER Mission will consist of two... More

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facility, the Rover Equipment Deck (RED) on one of the Mars Exploration Rovers (MER) is integrated to the Warm Electronics Box (WEB) on the WEB cart. Processing of the rovers, plus cruise stage, lander and heat shield elements, is ongoing. Set to launch in 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards each Martian day. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, and the second rover a window opening June 25, 2003. KSC-03pd0756

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facil...

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facility, the Rover Equipment Deck (RED) on one of the Mars Exploration Rovers (MER) is integrated to the Warm Electronics Box (WEB) on the WEB c... More

KENNEDY SPACE CENTER, Fla. - Workers in the Payload Hazardous Servicing Facility test the opening of the solar arrays on the Mars Exploration Rover-2 (MER-2). Set to launch in Spring 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards each Martian day. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, and the second rover a window opening June 25, 2003. KSC-03pd0770

KENNEDY SPACE CENTER, Fla. - Workers in the Payload Hazardous Servici...

KENNEDY SPACE CENTER, Fla. - Workers in the Payload Hazardous Servicing Facility test the opening of the solar arrays on the Mars Exploration Rover-2 (MER-2). Set to launch in Spring 2003, the MER Mission wil... More

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facility, workers steady one of the Mars Exploration Rovers (MER) as it is moved from its stand onto the floor. Processing of the rovers, cruise stage, lander and heat shield elements is ongoing. Set to launch in 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards each Martian day. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, and the second rover a window opening June 25, 2003. KSC-03pd0763

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facil...

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facility, workers steady one of the Mars Exploration Rovers (MER) as it is moved from its stand onto the floor. Processing of the rovers, cruise ... More

KENNEDY SPACE CENTER, FLA. - After closing the solar panels for flight stow, workers examine the Mars Exploration Rover 2 (MER-2). Set to launch in Spring 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards each Martian day over various terrain. The rovers will be identical to each other, but will land at different regions of Mars. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The first rover has a launch window opening May 30, and the second rover a window opening June 25. KSC-03pd0915

KENNEDY SPACE CENTER, FLA. - After closing the solar panels for fligh...

KENNEDY SPACE CENTER, FLA. - After closing the solar panels for flight stow, workers examine the Mars Exploration Rover 2 (MER-2). Set to launch in Spring 2003, the MER Mission will consist of two identical ... More

KENNEDY SPACE CENTER, FLA. -- The cruise stage for one of the Mars Exploration Rovers is rotated for processing. Once functional testing and mission simulation of the flight elements is complete, the elements will be integrated for flight. There are two rovers, identical to each other, and each will land at different regions of Mars. They are designed to cover roughly 110 yards each Martian day over various terrain. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The first rover has a launch window opening May 30, and the second rover a window opening June 25. KSC-03pd0942

KENNEDY SPACE CENTER, FLA. -- The cruise stage for one of the Mars Ex...

KENNEDY SPACE CENTER, FLA. -- The cruise stage for one of the Mars Exploration Rovers is rotated for processing. Once functional testing and mission simulation of the flight elements is complete, the elements... More

KENNEDY SPACE CENTER, FLA. - Workers in the Payload Hazardous Servicing Facility check the attachments of the overhead crane on the Mars Exploration Rover 1 (MER-1). The rover will be moved to the lander base petal for installation. The MER Mission consists of two identical rovers, landing at different regions of Mars, designed to cover roughly 110 yards each Martian day over various terrain. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The first rover has a launch window opening June 5, and the second rover a window opening June 25. The rovers will be launched from Cape Canaveral Air Force Station. KSC-03pd1248

KENNEDY SPACE CENTER, FLA. - Workers in the Payload Hazardous Servicin...

KENNEDY SPACE CENTER, FLA. - Workers in the Payload Hazardous Servicing Facility check the attachments of the overhead crane on the Mars Exploration Rover 1 (MER-1). The rover will be moved to the lander base ... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery looms large in this closeup as it rolls to Launch Pad 39B. The shuttle rests on the mobile launcher platform. Underneath is the crawler, providing transport via the crawlerway. First motion of the shuttle from NASA's Vehicle Assembly Building was at 12:45 p.m. EDT. The rollout is an important step before launch of Discovery on mission STS-121 to the International Space Station. Discovery's launch is targeted for July 1 in a launch window that extends to July 19. During the 12-day mission, Discovery's crew will test new hardware and techniques to improve shuttle safety, as well as deliver supplies and make repairs to the station. Photo credit: NASA/Dimitri Gerondidakis KSC-06pd0876

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery looms large in...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery looms large in this closeup as it rolls to Launch Pad 39B. The shuttle rests on the mobile launcher platform. Underneath is the crawler, providing transp... More

KENNEDY SPACE CENTER, FLA. -- A NASA helicopter follows the route of Space Shuttle Discovery on the crawlerway as it rolls out toward Launch Pad 39B. First motion of the shuttle from NASA's Vehicle Assembly Building was at 12:45 p.m. EDT. The rollout is an important step before launch of Discovery on mission STS-121 to the International Space Station. Discovery's launch is targeted for July 1 in a launch window that extends to July 19. During the 12-day mission, Discovery's crew will test new hardware and techniques to improve shuttle safety, as well as deliver supplies and make repairs to the station. Photo credit: NASA/Ken Thornsley KSC-06pd0875

KENNEDY SPACE CENTER, FLA. -- A NASA helicopter follows the route of...

KENNEDY SPACE CENTER, FLA. -- A NASA helicopter follows the route of Space Shuttle Discovery on the crawlerway as it rolls out toward Launch Pad 39B. First motion of the shuttle from NASA's Vehicle Assembly ... More

KENNEDY SPACE CENTER, FLA. -- The sun is setting as Space Shuttle Discovery nears its place on Launch Pad 39B at NASA's Kennedy Space Center. At right are the fixed and rotating service structures. First motion was at 12:45 p.m. EDT. The shuttle rests on a mobile launcher platform and made the 4.2-mile journey from the Vehicle Assembly Building via the crawler-transporter beneath the platform. The rollout is an important step before launch of Discovery on mission STS-121 to the International Space Station. Discovery's launch is targeted for July 1 in a launch window that extends to July 19. During the 12-day mission, Discovery's crew will test new hardware and techniques to improve shuttle safety, as well as deliver supplies and make repairs to the station. Photo credit: NASA/Dimitri Gerondidakis KSC-06pd0906

KENNEDY SPACE CENTER, FLA. -- The sun is setting as Space Shuttle Dis...

KENNEDY SPACE CENTER, FLA. -- The sun is setting as Space Shuttle Discovery nears its place on Launch Pad 39B at NASA's Kennedy Space Center. At right are the fixed and rotating service structures. First moti... More

KENNEDY SPACE CENTER, FLA. -- Near Launch Pad 39B, wild pigs (at right) root for food near a stand of trees while Space Shuttle Discovery rolls out to the pad. The 4.2-mile journey from the Vehicle Assembly Building began at 12:45 p.m. EDT. The rollout is an important step before launch of Discovery on mission STS-121 to the International Space Station. Discovery's launch is targeted for July 1 in a launch window that extends to July 19. During the 12-day mission, Discovery's crew will test new hardware and techniques to improve shuttle safety, as well as deliver supplies and make repairs to the station. Photo credit: NASA/Ken Thornsley KSC-06pd0903

KENNEDY SPACE CENTER, FLA. -- Near Launch Pad 39B, wild pigs (at righ...

KENNEDY SPACE CENTER, FLA. -- Near Launch Pad 39B, wild pigs (at right) root for food near a stand of trees while Space Shuttle Discovery rolls out to the pad. The 4.2-mile journey from the Vehicle Assembly B... More

KENNEDY SPACE CENTER, FLA. -- The orbiter Discovery has come to a stop in the transfer aisle of the Vehicle Assembly Building after leaving bay 3 of the Orbiter Processing Facility. First motion was at 9:23 p.m. Oct. 31. Above Discovery and to the right is the overhead crane and sling that will be attached to the orbiter to raise it off the transporter and lift it into high bay 3. There, the orbiter will be mated to its large external tank and twin solid rocket boosters already stacked on the mobile launcher platform. Space Shuttle Discovery is scheduled to roll out to Launch Pad 39B no earlier than Nov. 7 for mission STS-116. The mission is No. 20 to the International Space Station and construction flight 12A.1. The mission payload is the SPACEHAB module, the P5 integrated truss structure and other key components. The launch window for mission STS-116 opens Dec. 7. Photo credit: NASA/Kim Shiflett KSC-06pd2420

KENNEDY SPACE CENTER, FLA. -- The orbiter Discovery has come to a st...

KENNEDY SPACE CENTER, FLA. -- The orbiter Discovery has come to a stop in the transfer aisle of the Vehicle Assembly Building after leaving bay 3 of the Orbiter Processing Facility. First motion was at 9:23 p... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery makes its final approach to Launch Pad 39B and launch of mission STS-116. The mission is No. 20 to the International Space Station and construction flight 12A.1. The mission payload is the SPACEHAB module, the P5 integrated truss structure and other key components. The launch window for mission STS-116 opens Dec. 7. Photo credit: NASA/Amanda Diller KSC-06pd2475

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery makes its final...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery makes its final approach to Launch Pad 39B and launch of mission STS-116. The mission is No. 20 to the International Space Station and construction flight ... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery sits on Launch Pad 39B for launch of mission STS-116. On the left can be seen the rotating service structure, which will be rolled to enclose the shuttle for servicing and payload transfer. The shuttle was harddown on the pad at 9:03 a.m. The rollout from the Vehicle Assembly Building began at 12:29 a.m. The mission is No. 20 to the International Space Station and construction flight 12A.1. The mission payload is the SPACEHAB module, the P5 integrated truss structure and other key components. The launch window for mission STS-116 opens Dec. 7. Photo credit: NASA/Amanda Diller KSC-06pd2485

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery sits on Launch ...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery sits on Launch Pad 39B for launch of mission STS-116. On the left can be seen the rotating service structure, which will be rolled to enclose the shuttle f... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery and the mobile launcher platform sit on Launch Pad 39B for mission STS-116. Beyond the pad is the Atlantic Ocean. The shuttle's external tank is capped by the oxygen vent hood (at top). Below it is the orbiter access arm which swings out from the fixed service structure to the orbiter crew compartment hatch to allow personnel to enter the crew compartment. The outer end of the access arm ends in an environmental chamber (white room) that mates with the orbiter and holds six persons. The arm remains in the extended position until seven minutes 24 seconds before launch to provide emergency egress for the flight crew. The rollout of Discovery from the Vehicle Assembly Building began at 12:29 a.m. The shuttle was harddown on the pad at 9:03 a.m. The mission is No. 20 to the International Space Station and construction flight 12A.1. The mission payload is the SPACEHAB module, the P5 integrated truss structure and other key components. The launch window for mission STS-116 opens Dec. 7. Photo credit: NASA/George Shelton KSC-06pd2492

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery and the mobile...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Discovery and the mobile launcher platform sit on Launch Pad 39B for mission STS-116. Beyond the pad is the Atlantic Ocean. The shuttle's external tank is capped by... More

VANDENBERG AIR FORCE BASE, Calif. – The Ocean Surface Topography Mission, or OSTM/Jason 2, spacecraft is being prepared for bagging before encapsulation and transfer to the launch pad. The launch of the Ocean Surface Topography Mission, or OSTM/Jason 2, aboard a Delta II rocket is scheduled for Friday, June 20, from Vandenberg Air Force Base in California. The launch window extends from 12:46 a.m. to 12:55 a.m. PDT. The satellite will be placed in an 830-mile-high orbit at an inclination of 66 degrees after separating from the Delta II 55 minutes after liftoff. The five primary science instruments of the Ocean Surface Topography Mission aboard the Jason 2 spacecraft are dedicated to measuring ocean surface height. These measurements will be used to evaluate and forecast climate changes and improve weather forecasting. The results also are expected to help forecasters better predict hurricane intensity. Photo credit: NASA KSC-08pd1657

VANDENBERG AIR FORCE BASE, Calif. – The Ocean Surface Topography Missi...

VANDENBERG AIR FORCE BASE, Calif. – The Ocean Surface Topography Mission, or OSTM/Jason 2, spacecraft is being prepared for bagging before encapsulation and transfer to the launch pad. The launch of the Ocean ... More

VANDENBERG AIR FORCE BASE, Calif. – The Ocean Surface Topography Mission, or OSTM/Jason 2, spacecraft is being prepared for bagging before encapsulation and transfer to the launch pad. The launch of the Ocean Surface Topography Mission, or OSTM/Jason 2, aboard a Delta II rocket is scheduled for Friday, June 20, from Vandenberg Air Force Base in California. The launch window extends from 12:46 a.m. to 12:55 a.m. PDT. The satellite will be placed in an 830-mile-high orbit at an inclination of 66 degrees after separating from the Delta II 55 minutes after liftoff. The five primary science instruments of the Ocean Surface Topography Mission aboard the Jason 2 spacecraft are dedicated to measuring ocean surface height. These measurements will be used to evaluate and forecast climate changes and improve weather forecasting. The results also are expected to help forecasters better predict hurricane intensity. Photo credit: NASA KSC-08pd1658

VANDENBERG AIR FORCE BASE, Calif. – The Ocean Surface Topography Missi...

VANDENBERG AIR FORCE BASE, Calif. – The Ocean Surface Topography Mission, or OSTM/Jason 2, spacecraft is being prepared for bagging before encapsulation and transfer to the launch pad. The launch of the Ocean ... More

VANDENBERG AIR FORCE BASE, Calif. – Engineers check the fit of the Ocean Surface Topography Mission, or OSTM/Jason 2, spacecraft as it is lowered onto the payload attach fitting, or PAF, for installation. The PAF is the interface with the Delta II launch vehicle. The launch of the OSTM/Jason 2 aboard a Delta II rocket is scheduled for Friday, June 20, from Vandenberg Air Force Base in California. The launch window extends from 12:46 a.m. to 12:55 a.m. PDT. The satellite will be placed in an 830-mile-high orbit at an inclination of 66 degrees after separating from the Delta II 55 minutes after liftoff. The five primary science instruments of the Ocean Surface Topography Mission aboard the Jason 2 spacecraft are dedicated to measuring ocean surface height. These measurements will be used to evaluate and forecast climate changes and improve weather forecasting. The results also are expected to help forecasters better predict hurricane intensity. Photo credit: NASA KSC-08pd1665

VANDENBERG AIR FORCE BASE, Calif. – Engineers check the fit of the O...

VANDENBERG AIR FORCE BASE, Calif. – Engineers check the fit of the Ocean Surface Topography Mission, or OSTM/Jason 2, spacecraft as it is lowered onto the payload attach fitting, or PAF, for installation. Th... More

VANDENBERG AIR FORCE BASE, Calif. – Suspended by an overhead crane, the Ocean Surface Topography Mission, or OSTM/Jason 2, spacecraft is moved toward the payload attach fitting, or PAF, for installation. The PAF is the interface with the Delta II launch vehicle. The launch of the OSTM/Jason 2 aboard a Delta II rocket is scheduled for Friday, June 20, from Vandenberg Air Force Base in California. The launch window extends from 12:46 a.m. to 12:55 a.m. PDT. The satellite will be placed in an 830-mile-high orbit at an inclination of 66 degrees after separating from the Delta II 55 minutes after liftoff. The five primary science instruments of the Ocean Surface Topography Mission aboard the Jason 2 spacecraft are dedicated to measuring ocean surface height. These measurements will be used to evaluate and forecast climate changes and improve weather forecasting. The results also are expected to help forecasters better predict hurricane intensity. Photo credit: NASA KSC-08pd1663

VANDENBERG AIR FORCE BASE, Calif. – Suspended by an overhead crane, t...

VANDENBERG AIR FORCE BASE, Calif. – Suspended by an overhead crane, the Ocean Surface Topography Mission, or OSTM/Jason 2, spacecraft is moved toward the payload attach fitting, or PAF, for installation. The ... More

VANDENBERG AIR FORCE BASE, Calif. – Clouds of smoke and steam rise spread across the launch pad on Space Launch Complex-2 as the Delta II rocket lifts off with the Ocean Surface Topography Mission, or OSTM/Jason 2, spacecraft aboard. The OSTM/Jason 2 satellite will embark on a globe-circling voyage to continue charting sea level, a vital indicator of global climate change. The mission will return a vast amount of new data that will improve weather, climate and ocean forecasts. OSTM/Jason 2's expected lifetime of at least three years will extend into the next decade the continuous record of these data started in 1992 by NASA and the French space agency Centre National d'Etudes Spatiales, or CNES, with the TOPEX/Poseidon mission. The data collection was continued by the two agencies on Jason-1 in 2001. The launch window extends from 12:46 a.m. to 12:55 a.m. PDT. The satellite will be placed in an 830-mile-high orbit at an inclination of 66 degrees after separating from the Delta II 55 minutes after liftoff. Photo credit: Photograph by Carleton Bailie for United Launch Alliance KSC-08pd1822

VANDENBERG AIR FORCE BASE, Calif. – Clouds of smoke and steam rise ...

VANDENBERG AIR FORCE BASE, Calif. – Clouds of smoke and steam rise spread across the launch pad on Space Launch Complex-2 as the Delta II rocket lifts off with the Ocean Surface Topography Mission, or OSTM/J... More

CAPE CANAVERAL, Fla. – A logo applied to the fairing atop the Delta IV rocket awaiting liftoff on Launch Complex 37 at Cape Canaveral Air Force Station clearly identifies the payload as the GOES-O satellite. The terminal countdown to the liftoff of GOES-O will begin at 12:59 p.m. EDT for a launch window that extends from 6:14 p.m. to 7:14 p.m. June 26. The latest Geostationary Operational Environmental Satellite, GOES-O was developed by NASA for the National Oceanic and Atmospheric Administration, or NOAA. Each of the GOES satellites continuously provides observations of 60 percent of the Earth including the continental United States, providing weather monitoring and forecast operations as well as a continuous and reliable stream of environmental information and severe weather warnings. Once in orbit, GOES-O will be designated GOES-14, and NASA will provide on-orbit checkout and then transfer operational responsibility to NOAA. Photo credit: NASA/Jack Pfaller KSC-2009-3850

CAPE CANAVERAL, Fla. – A logo applied to the fairing atop the Delta IV...

CAPE CANAVERAL, Fla. – A logo applied to the fairing atop the Delta IV rocket awaiting liftoff on Launch Complex 37 at Cape Canaveral Air Force Station clearly identifies the payload as the GOES-O satellite. T... More

CAPE CANAVERAL, Fla. – Workers on Launch Complex 37 at Cape Canaveral Air Force Station monitor the movement of the mobile service tower as it slowly rolls away from the Boeing Delta IV rocket that will launch the GOES-O satellite into orbit. The terminal countdown to the liftoff of GOES-O will begin at 12:59 p.m. EDT for a launch window that extends from 6:14 p.m. to 7:14 p.m. June 26. The latest Geostationary Operational Environmental Satellite, GOES-O was developed by NASA for the National Oceanic and Atmospheric Administration, or NOAA. Each of the GOES satellites continuously provides observations of 60 percent of the Earth including the continental United States, providing weather monitoring and forecast operations as well as a continuous and reliable stream of environmental information and severe weather warnings. Once in orbit, GOES-O will be designated GOES-14, and NASA will provide on-orbit checkout and then transfer operational responsibility to NOAA. Photo credit: NASA/Jack Pfaller KSC-2009-3847

CAPE CANAVERAL, Fla. – Workers on Launch Complex 37 at Cape Canaveral ...

CAPE CANAVERAL, Fla. – Workers on Launch Complex 37 at Cape Canaveral Air Force Station monitor the movement of the mobile service tower as it slowly rolls away from the Boeing Delta IV rocket that will launch ... More

CAPE CANAVERAL, Fla. -- On Cape Canaveral Air Force Station in Florida, the 197-foot-tall United Launch Alliance Atlas V-551 launch vehicle rolls out of the Vertical Integration Facility on its way to the launch pad at Space Launch Complex 41. Atop the rocket is NASA's Juno spacecraft, enclosed in its payload fairing. Liftoff is planned during a launch window which extends from 11:34 a.m. to 12:43 p.m. EDT on Aug. 5. The solar-powered spacecraft will orbit Jupiter's poles 33 times to find out more about the gas giant's origins, structure, atmosphere and magnetosphere and investigate the existence of a solid planetary core. NASA's Jet Propulsion Laboratory, Pasadena, Calif., manages the Juno mission for the principal investigator, Scott Bolton, of Southwest Research Institute in San Antonio. The Juno mission is part of the New Frontiers Program managed at NASA's Marshall Space Flight Center in Huntsville, Ala. Lockheed Martin Space Systems, Denver, built the spacecraft. Launch management for the mission is the responsibility of NASA's Launch Services Program at the Kennedy Space Center in Florida. For more information, visit www.nasa.gov/juno. Photo credit: NASA/Ken Thornsley KSC-2011-6230

CAPE CANAVERAL, Fla. -- On Cape Canaveral Air Force Station in Florida...

CAPE CANAVERAL, Fla. -- On Cape Canaveral Air Force Station in Florida, the 197-foot-tall United Launch Alliance Atlas V-551 launch vehicle rolls out of the Vertical Integration Facility on its way to the launc... More

CAPE CANAVERAL, Fla. -- Nightfall on Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida finds NASA's Juno planetary probe, enclosed in its payload fairing atop the United Launch Alliance Atlas V-551 launch vehicle, ready to begin its five-year journey to Jupiter. Liftoff is planned during a launch window which extends from 11:34 a.m. to 12:43 p.m. EDT on Aug. 5. The solar-powered spacecraft will orbit Jupiter's poles 33 times to find out more about the gas giant's origins, structure, atmosphere and magnetosphere and investigate the existence of a solid planetary core. NASA's Jet Propulsion Laboratory, Pasadena, Calif., manages the Juno mission for the principal investigator, Scott Bolton, of Southwest Research Institute in San Antonio. The Juno mission is part of the New Frontiers Program managed at NASA's Marshall Space Flight Center in Huntsville, Ala. Lockheed Martin Space Systems, Denver, built the spacecraft. Launch management for the mission is the responsibility of NASA's Launch Services Program at the Kennedy Space Center in Florida. For more information, visit www.nasa.gov/juno. Photo credit: Courtesy of Scott Andrews KSC-2011-6246

CAPE CANAVERAL, Fla. -- Nightfall on Space Launch Complex 41 at Cape C...

CAPE CANAVERAL, Fla. -- Nightfall on Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida finds NASA's Juno planetary probe, enclosed in its payload fairing atop the United Launch Alliance Atl... More

CAPE CANAVERAL, Fla. -- On Cape Canaveral Air Force Station in Florida, members of the media gather near the launch pad at Space Launch Complex 41 to document the arrival of the 197-foot-tall United Launch Alliance Atlas V rocket after an early morning move from the nearby Vertical Integration Facility (VIF). Atop the rocket is NASA's Mars Science Laboratory (MSL), enclosed in its payload fairing. The rocket began its move from the VIF at 8 a.m. EST and reached the launch pad at 8:40 a.m. Liftoff is planned during a launch window which extends from 10:02 a.m. to 11:45 a.m. EST on Nov. 26. MSL's components include a car-sized rover, Curiosity, which has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Ken Thornsley KSC-2011-7918

CAPE CANAVERAL, Fla. -- On Cape Canaveral Air Force Station in Florida...

CAPE CANAVERAL, Fla. -- On Cape Canaveral Air Force Station in Florida, members of the media gather near the launch pad at Space Launch Complex 41 to document the arrival of the 197-foot-tall United Launch Alli... More

CAPE CANAVERAL, Fla. – NASA Administrator Charles Bolden addresses the participants of a NASA Tweetup in a tent set up at NASA Kennedy Space Center's Press Site in Florida during prelaunch activities for the agency’s Mars Science Laboratory (MSL) launch. Participants in the Tweetup are given the opportunity to listen to agency briefings, tour locations on the center normally off limits to visitors, and get a close-up view of Space Launch Complex-41 on Cape Canaveral Air Force Station. The tweeters will share their experiences with followers through the social networking site Twitter. The MSL mission will pioneer precision landing technology and a sky-crane touchdown to place a car-sized rover, Curiosity, near the foot of a mountain inside Gale Crater on Aug. 6, 2012. During a nearly two-year prime mission after landing, the rover will investigate whether the region has ever offered conditions favorable for microbial life, including the chemical ingredients for life. Liftoff of MSL aboard a United Launch Alliance Atlas V rocket from pad 41 is planned during a launch window which extends from 10:02 a.m. to 11:45 a.m. EST on Nov. 26. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Frankie Martin KSC-2011-7949

CAPE CANAVERAL, Fla. – NASA Administrator Charles Bolden addresses the...

CAPE CANAVERAL, Fla. – NASA Administrator Charles Bolden addresses the participants of a NASA Tweetup in a tent set up at NASA Kennedy Space Center's Press Site in Florida during prelaunch activities for the ag... More

STS-83 Mission Specialist Michael L. Gernhardt is assisted into his launch/entry suit in the Operations and Checkout (O&C) Building. He first flew in this capacity on STS-69. He has been a professional deep sea diver and engineer and holds a doctorate in bioengineering. Gernhardt will be in charge of the Blue shift and as flight engineer will operate and maintain the orbiter while Halsell and Still are asleep as members of the Red shift. He will also back them up on the flight deck during the ascent and re-entry phases of the mission. Gernhardt and six fellow crew members will shortly depart the O&C and head for Launch Pad 39A, where the Space Shuttle Columbia will lift off during a launch window that opens at 2:00 p.m. EST, April 4 KSC-97pc564

STS-83 Mission Specialist Michael L. Gernhardt is assisted into his la...

STS-83 Mission Specialist Michael L. Gernhardt is assisted into his launch/entry suit in the Operations and Checkout (O&C) Building. He first flew in this capacity on STS-69. He has been a professional deep sea... More

STS-83 Payload Commander Janice Voss smiles as she is assisted into her launch/entry suit in the Operations and checkout (O&C) Building. She has flown on STS-63 and STS-57. Voss holds a doctorate degree in aeronautics/astronautics from the Massachusetts Institute of Technology and has earned two NASA Space Flight Medals. As Payload Commander and a member of the Blue team, Voss will have overall responsibility for the operation of all of the MSL-1 experiments. During the experimentation phase of the mission, she will be working primarily with three combustion experiments. She and six fellow crew members will shortly depart the O&C and head for Launch Pad 39A, where the Space Shuttle Columbia will lift off during a launch window that opens at 2:00 p.m. EST, April 4 KSC-97pc567

STS-83 Payload Commander Janice Voss smiles as she is assisted into he...

STS-83 Payload Commander Janice Voss smiles as she is assisted into her launch/entry suit in the Operations and checkout (O&C) Building. She has flown on STS-63 and STS-57. Voss holds a doctorate degree in aero... More

The Lockheed Martin Atlas 1 expendable launch vehicle (AC-79) which will carry the GOES-K advanced weather satellite undergoes a critical prelaunch test with its mobile service tower pulled back. The Wet Dress Rehearsal is a major prelaunch test designed to demonstrate, in part, the launch readiness of the vehicle and launch support equipment. AC-79 will be the final launch of an Atlas 1 rocket, a derivative of the original Atlas Centaur which had its first successful launch for NASA in 1963. Future launches of Geostationary Operational Environmental Satellites (GOES) in the current series will be on Atlas II vehicles. The GOES satellites are owned and operated by the National Oceanic and Atmospheric Administration (NOAA); NASA manages the design, development and launch of the spacecraft. The launch of AC-79 with the GOES-K is targeted for /1997/63-97.htm">April 24</a> during a launch window which extends from 1:50-3:09 a.m. EDT KSC-97pc633

The Lockheed Martin Atlas 1 expendable launch vehicle (AC-79) which wi...

The Lockheed Martin Atlas 1 expendable launch vehicle (AC-79) which will carry the GOES-K advanced weather satellite undergoes a critical prelaunch test with its mobile service tower pulled back. The Wet Dress ... More

Workers at the Astrotech Space Operations LP facility in Titusville make final checks and adjustments after encapsulating the GOES-K advanced weather satellite in the Atlas 1 payload fairing. GOES-K will be the third spacecraft to be launched in the advanced series of Geostationary Operational Environmental Satellites (GOES). The GOES satellites are owned and operated by the National Oceanic and Atmospheric Administration (NOAA); NASA manages the design, development and launch of the spacecraft. GOES-K is targeted for an /1997/63-97.htm">April 24 launch</a> aboard a Lockheed Martin Atlas 1 expendable launch vehicle (AC-79) from Launch Complex 36, Pad B, Cape Canaveral Air Station. The launch window opens at 1:50 a.m. and extends to 3:09 a.m. EDT. Once in orbit, GOES-K will become GOES-10, joining GOES-8 and GOES-9 in space KSC-97pc637

Workers at the Astrotech Space Operations LP facility in Titusville ma...

Workers at the Astrotech Space Operations LP facility in Titusville make final checks and adjustments after encapsulating the GOES-K advanced weather satellite in the Atlas 1 payload fairing. GOES-K will be the... More

The STS-94 crew walks out of the Operations and Checkout Building and heads for the Astrovan that will transport them to Launch Pad 39A as KSC employees show their support. Waving to the crowd and leading the way are Mission Commander James D. Halsell, Jr. and Pilot Susan L. Still. Behind Still is Mission Specialist Donald A.Thomas, followed by Mission Specialist Michael L. Gernhardt , Payload Commander Janice Voss, and Payload Specialists Roger K.Crouch and Gregory T. Linteris. During the scheduled 16-day Microgravity Science Laboratory-1 (MSL-1) mission, the Spacelab module will be used to test some of the hardware, facilities and procedures that are planned for use on the International Space Station while the flight crew conducts combustion, protein crystal growth and materials processing experiments. Also onboard is the Hitchhiker Cryogenic Flexible Diode (CRYOFD) experiment payload, which is attached to the right side of Columbia’s payload bay.The Space Shuttle Columbia is scheduled to lift off when the launch window opens at 1:50 p.m. EDT, July 1. The launch window was opened 47 minutes early to improve the opportunity to lift off before Florida summer rain showers reached the space center KSC-97PC958

The STS-94 crew walks out of the Operations and Checkout Building and...

The STS-94 crew walks out of the Operations and Checkout Building and heads for the Astrovan that will transport them to Launch Pad 39A as KSC employees show their support. Waving to the crowd and leading the... More

STS-94 Payload Specialist Gregory T. Linteris prepares to enter the Space Shuttle Columbia at Launch Pad 39A in preparation for launch. He holds a doctorate in mechanical and aerospace engineering. Linteris has worked at the National Institute of Standards and Technology and is the Principal Investigator on a NASA microgravity combustion experiment. As a member of the Red team, Linteris will concentrate on three combustion experiments. Two of these experiments are housed in the Combustion Module. He will also be backing up crew members on the other Microgravity Science Laboratory-1 (MSL-1) investigations. He and six fellow crew members will lift off during a launch window that opens at 1:50 p.m. EDT, July 1. The launch window will open 47 minutes early to improve the opportunity to lift off before Florida summer rain showers reach the space center KSC-97PC967

STS-94 Payload Specialist Gregory T. Linteris prepares to enter the Sp...

STS-94 Payload Specialist Gregory T. Linteris prepares to enter the Space Shuttle Columbia at Launch Pad 39A in preparation for launch. He holds a doctorate in mechanical and aerospace engineering. Linteris ha... More

STS-90 Mission Specialist Kathryn (Kay) Hire is assisted by NASA and USA closeout crew members immediately preceding launch for the nearly 17-day Neurolab mission. Investigations during the Neurolab mission will focus on the effects of microgravity on the nervous system. Hire and six fellow crew members will shortly enter the orbiter at KSC's Launch Pad 39B, where the Space Shuttle Columbia will lift off during a launch window that opens at 2:19 p.m. EDT, April 17 KSC-98pc510

STS-90 Mission Specialist Kathryn (Kay) Hire is assisted by NASA and U...

STS-90 Mission Specialist Kathryn (Kay) Hire is assisted by NASA and USA closeout crew members immediately preceding launch for the nearly 17-day Neurolab mission. Investigations during the Neurolab mission wil... More

Space Shuttle Discovery sits atop a mobile launcher platform at Launch Complex 39A after its move this morning from Vehicle Assembly Building high bay 1 where it was mated to the first Space Shuttle super lightweight external tank/solid rocket booster stack. Discovery will be launched on mission STS-91, concluding Phase I of the joint U.S.-Russian International Space Station Program, on June 2 with a launch window opening around 6:10 p.m. EDT. This will be the ninth Shuttle docking with the Russian Space Station Mir, but the first Mir docking for Discovery. The STS-91 flight crew includes Commander Charles Precourt; Pilot Dominic Gorie; and Mission Specialists Wendy B. Lawrence; Franklin Chang-Diaz, Ph.D.; Janet Kavandi, Ph.D.; and Valery Ryumin, with the Russian Space Agency. Andrew Thomas, Ph.D., will be returning to Earth with the crew after living more than four months aboard Mir KSC-98dc550

Space Shuttle Discovery sits atop a mobile launcher platform at Launch...

Space Shuttle Discovery sits atop a mobile launcher platform at Launch Complex 39A after its move this morning from Vehicle Assembly Building high bay 1 where it was mated to the first Space Shuttle super light... More

The STS-91 crew participates in a simulated walk-out from the Operations and Checkout Building to board a van which will take them to Launch Complex 39A during Terminal Countdown Demonstration Test (TCDT) activities. The TCDT is a dress rehearsal for launch and ends with a mock launch countdown culminating in a simulated main engine cut-off. From left to right, the crew members are (front row) Pilot Dominic Gorie; Mission Commander Charles Precourt (waving); and Mission Specialist Wendy B. Lawrence; and (back row) Mission Specialists Valery Ryumin, with the Russian Space Agency; Janet Kavandi, Ph.D.; and Franklin Chang-Diaz, Ph.D. STS-91 is scheduled to be launched on June 2 with a launch window opening around 6:10 p.m. EDT. The mission will feature the ninth Shuttle docking with the Russian Space Station Mir, the first Mir docking for Discovery, the conclusion of Phase I of the joint U.S.-Russian International Space Station Program, and the first flight of the new Space Shuttle super lightweight external tank. Andrew Thomas, Ph.D., will be returning to Earth with the crew after living more than four months aboard Mir KSC-98pc603

The STS-91 crew participates in a simulated walk-out from the Operatio...

The STS-91 crew participates in a simulated walk-out from the Operations and Checkout Building to board a van which will take them to Launch Complex 39A during Terminal Countdown Demonstration Test (TCDT) activ... More

KENNEDY SPACE CENTER, FLA. - At Launch Complex 36-A, Cape Canaveral Air Force Station, the mobile service tower is rolled back to reveal the encapsulated TDRS-J satellite aboard an Atlas IIA vehicle awaiting launch on Dec. 4. The launch window is 9:42 to 10:22 p.m. EST. TDRS-J, the third in a series of telemetry satellites, will help replenish the current constellation of geosynchronous TDRS satellites that are the primary source of space-to-ground voice, data and telemetry for the Space Shuttle. The satellites also provide communications with the International Space Station and scientific spacecraft in low-Earth orbit such as the Hubble Space Telescope. This new advanced series of satellites will extend the availability of TDRS communications services until about 2017. KSC-02pd1849

KENNEDY SPACE CENTER, FLA. - At Launch Complex 36-A, Cape Canaveral Ai...

KENNEDY SPACE CENTER, FLA. - At Launch Complex 36-A, Cape Canaveral Air Force Station, the mobile service tower is rolled back to reveal the encapsulated TDRS-J satellite aboard an Atlas IIA vehicle awaiting la... More

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facility, the Rover Equipment Deck (RED) on one of the Mars Exploration Rovers (MER) is integrated to the Warm Electronics Box (WEB) on the WEB cart. Processing of the rovers, plus cruise stage, lander and heat shield elements, is ongoing. Set to launch in 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards each Martian day. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, and the second rover a window opening June 25, 2003. KSC-03pd0754

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facil...

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facility, the Rover Equipment Deck (RED) on one of the Mars Exploration Rovers (MER) is integrated to the Warm Electronics Box (WEB) on the WEB c... More

KENNEDY SPACE CENTER, Fla. - Workers in the Payload Hazardous Servicing Facility look over one of the Mars Exploration Rovers (MER). Processing of the rovers, cruise stage, lander and heat shield elements is ongoing. Set to launch in 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards each Martian day. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, and the second rover a window opening June 25, 2003. KSC-03pd0761

KENNEDY SPACE CENTER, Fla. - Workers in the Payload Hazardous Servici...

KENNEDY SPACE CENTER, Fla. - Workers in the Payload Hazardous Servicing Facility look over one of the Mars Exploration Rovers (MER). Processing of the rovers, cruise stage, lander and heat shield elements is ... More

KENNEDY SPACE CENTER, Fla. - With the solar arrays fully open on the Mars Exploration Rover-2 (MER-2), the low-gain and high-gain antennas can be seen. Set to launch in Spring 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards each Martian day. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, and the second rover a window opening June 25, 2003. KSC-03pd0772

KENNEDY SPACE CENTER, Fla. - With the solar arrays fully open on the ...

KENNEDY SPACE CENTER, Fla. - With the solar arrays fully open on the Mars Exploration Rover-2 (MER-2), the low-gain and high-gain antennas can be seen. Set to launch in Spring 2003, the MER Mission will consi... More

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facility, workers check the progress of the Mars Exploration Rover-2 (MER-2) as it rolls over ramps to test its mobility and maneuverability. Set to launch in Spring 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards each Martian day over various terrain. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, and the second rover a window opening June 25. KSC-03pd0792

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facili...

KENNEDY SPACE CENTER, Fla. - In the Payload Hazardous Servicing Facility, workers check the progress of the Mars Exploration Rover-2 (MER-2) as it rolls over ramps to test its mobility and maneuverability. Set... More

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, workers move the Mars Exploration Rover-2 (MER-2) towards the base petal of its lander assembly. Set to launch in Spring 2003, the MER Mission will consist of two identical rovers designed to cover roughly 110 yards each Martian day over various terrain. Each rover will carry five scientific instruments that will allow it to search for evidence of liquid water that may have been present in the planet's past. The rovers will be identical to each other, but will land at different regions of Mars. The first rover has a launch window opening May 30, and the second rover, a window opening June 25. KSC-03pd0878

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facil...

KENNEDY SPACE CENTER, FLA. - In the Payload Hazardous Servicing Facility, workers move the Mars Exploration Rover-2 (MER-2) towards the base petal of its lander assembly. Set to launch in Spring 2003, the MER ... More

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