A U.S. Air Force F-16 Fighting Falcon assigned to the

A U.S. Air Force F-16 Fighting Falcon assigned to the 18th Aggressor Squadron, Eielson Air Force Base, Alaska, flies beside a KC-135 Stratotanker waiting to receive fuel to continue a mission for RED FLAG-Alaska 19-2, June 18, 2019. The 18th AGRS prepares combat Air Force, joint and allied aircrews through challenging, realistic threat replication, training, test support, academics and feedback. RF-A exercises provide unique opportunities to integrate various forces in a realistic threat environment and dates back to 1975, when it was held at Clark Air Force Base, Philippines and called Exercise COPE THUNDER. (U.S. Air Force photo by Master Sgt. Burt Traynor)