Nellis TDY
Technical sergeants Chad Boyd, left, and Douglas Linder, avionics systems specialists with the 115th Fighter Wing in Madison, Wis., perform avionics maintenance on an F-16 Fighting Falcon at Nellis Air Force Base, Nev., April 5, 2016. The Wisconsin Air National Guard unit deployed more than 100 Airmen and eight F-16 Fighting Falcons for two weeks to support advanced training in weapons and tactics employment at the United States Air Force Weapons School. (U.S. Air National Guard photo by Master Sgt. Paul Gorman/Released)