Charles Bryant, a 19th Security Forces Squadron patrolman, stands in front of an E-3 Sentry Airborne Warning and Control System aircraft May 7, 2015, at Little Rock Air Force Base, Ark. The aircraft is equipped with a 30-foot-wide radar subsystem that permits surveillance up to the Earth's stratosphere, and is assigned to Tinker Air Force Base, Okla. (U.S. Air Force photo by Senior Airman Harry Brexel)