Keywords: u.s. air force usairforce afghanistan bagram parwan province parwanprovince air force airforce operation enduring freedom operationenduringfreedom usa army united states army unitedstatesarmy uh-60 uh60 dustoff blackhawk sunset oef isaf nato helicopter military photo aircraft combat aviation air force usaf national guard mission photography iraq matt hecht ang njang 119th 177th 335th 113th 169th c-130 c130 cj-27 cj27 f-16 f16 f-15 f15 a-10 a10 viper warthog tilt shift strike eagle black hawk kiowa chinook ch-47 ch47 c-17 c17 c-5 c5 creative commons royalty free public domain photograph digital getty reuters ap vehicle rotor blade outdoor airplane Two U.S. Army UH-60 Blackhawk helicopters prepares for takeoff at Bagram Airfield, Afghanistan, on Dec 4, 2011. U.S. Air Force photo/Tech. Sgt. Matt Hecht Two U.S. Army UH-60 Blackhawk helicopters prepares for takeoff at Bagram Airfield, Afghanistan, on Dec 4, 2011. U.S. Air Force photo/Tech. Sgt. Matt Hecht |