An MH-60R Sea Hawk helicopter assigned to the
PACIFIC OCEAN (Feb. 10, 2009) An MH-60R Sea Hawk helicopter assigned to the "Raptors" of Helicopter Maritime Strike Squadron (HSM) 71 embarked aboard the Nimitz-class aircraft carrier USS John C. Stennis (CVN 74) hovers while deploying its sonar dipping buoy during an undersea warfare exercise involving the Japan Maritime Self-Defense Force and the John C. Stennis Carrier Strike Group. (U.S. Navy photo by Mass Communication Specialist 3rd Class Walter M. Wayman) File# 090210-N-6538W-205
Aircraft carriers are warships that act as airbases for carrier-based aircraft. In the United States Navy, these consist of ships commissioned with hull classification symbols CV (aircraft carrier), CVA (attack aircraft carrier), CVB (large aircraft carrier), CVL (light aircraft carrier), CVN (aircraft carrier (nuclear propulsion) and CVAN (attack aircraft carrier (nuclear propulsion). The first aircraft carrier commissioned into the United States Navy was USS Langley (CV-1) on 20 March 1922.