Afghan and coalition security force members search
Afghan and coalition security force members search through a compound during an operation in Zurmat District, Paktiya province, Afghanistan, June 23, 2013. The security force was searching for extremists respon... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
Afghan and coalition security force members move through
Afghan and coalition security force members move through a wheat field during an operation in Zurmat District, Paktiya province, Afghanistan, June 23, 2013. The security force was searching for extremists respo... More
An Afghan and coalition security force members scans
An Afghan and coalition security force members scans for enemies during an operation in Zurmat District, Paktiya province, Afghanistan, June 23, 2013. The security force was searching for extremists responsible... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
An Afghan and coalition security force member scans
An Afghan and coalition security force member scans for enemies during an operation in Zurmat District, Paktiya province, Afghanistan, June 23, 2013. The security force was searching for extremists responsible ... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
Afghan and coalition security force members scan for
Afghan and coalition security force members scan for enemies during an operation in Zurmat District, Paktiya province, Afghanistan, June 23, 2013. The security force was searching for extremists responsible for... More
Afghan and coalition security force members provide
Afghan and coalition security force members provide security during an operation in Zurmat District, Paktiya province, Afghanistan, June 23, 2013. The security force was searching for extremists responsible for... More
Afghan and coalition force members provide security
Afghan and coalition force members provide security during a night operation in Chitmal District, Balkh province, Afghanistan, Sept. 18, 2013. The Taliban improvised explosive device facilitator is in direct co... More
Afghan and coalition security force members provide
Afghan and coalition security force members provide security during an operation in Zurmat District, Paktiya province, Afghanistan, June 23, 2013. The security force was searching for extremists responsible for... More
A coalition force member provides security during a
A coalition force member provides security during a night operation in Chitmal District, Balkh province, Afghanistan, Sept. 18, 2013. The Taliban improvised explosive device facilitator is in direct contact wit... More
A coalition force member kneels to provide security
A coalition force member kneels to provide security during a night operation in Chitmal District, Balkh province, Afghanistan, Sept. 18, 2013. The Taliban improvised explosive device facilitator is in direct co... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
Coalition force members drop leaflets west of the Baghlan-e
Coalition force members drop leaflets west of the Baghlan-e Jadid river in Baghlan-e Jadid district, Afghanistan, Nov. 12, 2013. The leaflet drop was conducted to degrade and decrease support of extremists' ne... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
Coalition force members drop leaflets west of the Baghlan-e
Coalition force members drop leaflets west of the Baghlan-e Jadid river in Baghlan-e Jadid district, Afghanistan, Nov. 12, 2013. The leaflet drop was conducted to degrade and decrease support of extremists' ne... More
Afghan and coalition force members provide security
Afghan and coalition force members provide security during a night operation in Chitmal District, Balkh province, Afghanistan, Sept. 18, 2013. The Taliban improvised explosive device facilitator is in direct co... More
An Afghan and coalition security force member scans
An Afghan and coalition security force member scans for enemies during an operation in Zurmat District, Paktiya province, Afghanistan, June 23, 2013. The security force was searching for extremists responsible ... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
Afghan and coalition security force members provide
Afghan and coalition security force members provide security during an operation in Zurmat District, Paktiya province, Afghanistan, June 23, 2013. The security force was searching for extremists responsible for... More
A coalition force member kneels as he provides security
A coalition force member kneels as he provides security during a night operation in Chitmal District, Balkh province, Afghanistan, Sept. 18, 2013. The Taliban improvised explosive device facilitator is in direc... More
Afghan and coalition security force members communicate
Afghan and coalition security force members communicate inside a courtyard during a night operation in Zurmat District, Paktiya province, Afghanistan, June 23, 2013. The security force was searching for extremi... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
A coalition force member scans his sector of fire during
A coalition force member scans his sector of fire during a night operation in Chitmal District, Balkh province, Afghanistan, Sept. 18, 2013. The Taliban improvised explosive device facilitator is in direct cont... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More
Direct contact among galactic civilizations by relativistic interstell...
A draft of Sagan's paper, "Direct contact among galactic civilizations by relativistic interstellar spaceflight." The paper explores models for the distribution of technical civilizations in the galaxy. Using F... More