U.S. Air Force Staff Sgt. Christopher Miller, weapons armament systems specialist with the 177th Fighter Wing of the N.J. Air National Guard, marshals an F-16 fighter jet for end of runway checks May 5, 2015, at Tyndall Air Force Base, Fla. Unit members from the 177th FW deployed to Tyndall for Combat Archer, which affords some fighter pilots an opportunity to fire a live air-to-air missile at a moving drone target. (U.S. Air National Guard photo by Master Sgt. Andrew J. Moseley/Released)