All systems go
Staff Sgt. David Drain, boom operator, 379th Expeditionary Operations Group, 340th Expeditionary Air Refueling Squadron, goes through his preflight checklist Aug. 6, 2008. The KC-135 refuelers provide aerial refueling support to Air Force, Navy and Marine Corps and allied nation aircraft engaged in Operations Iraqi Freedom, Enduring Freedom and Joint Task Force Horn of Africa. Sergeant Drain, a native of Chattanooga, Tenn., is deployed from MacDill Air Force Base, Fla. (U.S. Air Force photo by Tech. Sgt. Michael Boquette/RELEASED)