U.S. Air Force Tech. Sgt. Matthew Hoover, Combat Shield flight chief from the 16th Electronic Warfare Squadron, Eglin Air Force Base, Fla., attaches a testing device onto an F-16 Fighting Falcon at Spangdahlem Air Base, Germany, March 23, 2017. A Combat Shield team visited Spangdahlem March
20-24 to evaluate the reliability of several F-16s’ radar threat warning systems and countermeasures. (U.S. Air Force photo by Senior Airman Dawn M. Weber)