Keywords: u.s. air force usairforce usaf afghanistan afg operation enduring freedom operationenduringfreedom oef isaf nato a-10c a10c thunderbolt ii thunderboltii warthog 81st fighter squadron 81stfightersquadron creative commons royalty free public domain photo photograph digital matt hecht chinook ch-47 ch47 helo helicopter heavy lift getty reuters ap public domain publicdomain royalty free royaltyfree military aircraft aviation combat iraq war operation iraqi freedom operationiraqifreedom f-16 f16 fighting falcon fightingfalcon strike eagle strikeeagle sunrise sunset air force one airforceone red flag alaska redflagalaska green flag east combat eastcombat aviation pilot pilots military aviationpilotpilotsmilitary pilot rotary wing fixed wing fixedwing jet fighter plane airplane blackandwhite monochrome vehicle outdoor black and white A U.S. Army CH-47 Chinook heavy lift helicopter stands by for takeoff as a U.S. Air Force A-10C Thunderbolt II lands at Bagram Air Field, Afghanistan, on Feb 16, 2012. A U.S. Army CH-47 Chinook heavy lift helicopter stands by for takeoff as a U.S. Air Force A-10C Thunderbolt II lands at Bagram Air Field, Afghanistan, on Feb 16, 2012. |