A C-17 Globemaster III, flown by a reserve aircrew from the 326th Airlift Squadron, Dover AFB, Del., rests on the tarmac behind the Base Hangar at Westover Air Reserve Base, Mass, Aug. 11, 2014. The C-17 mission included picking up Airmen from the 439th Aeromedical Evacuation Squadron for routine training aboard the transport aircraft. Currently, aeromedical evacuation is used to transport injured troops from Operation Iraqi Freedom and Operation Enduring Freedom as well as to respond to humanitarian missions. (U.S. Air Force photo/SSgt. Kelly Goonan)