Charles Loy (right), Boeing Co. aircraft mechanic, begins to remove a panel off an F-15E Strike Eagle, Nov. 1, 2016, at Seymour Johnson Air Force Base, North Carolina. The F-15E is receiving a Radar Modernization program; it’s first major upgrade of its radar system in more than 20 years. (U.S. Air Force photo by Airman Shawna L. Keyes)