A U.S. Air Force C-17 Globemaster III pilot, assigned

A U.S. Air Force C-17 Globemaster III pilot, assigned to the 816th Expeditionary Airlift Squadron, performs aircraft start-up procedures at Bagram Air Field, Afghanistan, Jan. 30, 2018. C-17 pilots ensure the aircraft is capable of performing its mission set of rapid strategic delivery of troops and all types of cargo to bases throughout the U.S. Central Command area of responsibility. (U.S. Air Force Photo by Tech. Sgt. Gregory Brook)