United States Air Force Staff Sgt. William Harth, 1st Maintenance Squadron Aircrew Egress craftsman, completes an inspection checklist at Langley Air Force Base, Va., June 9, 2014. Egress Airmen ensure all components responsible for safely ejecting a pilot work properly and work more than 1,700 explosives in the egress systems. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)