EIELSON AIR FORCE BASE, AK, UNITED STATES 06.18.2019 - A U.S. Air Force F-16 Fighting Falcon assigned to the 18th Aggressor Squadron, Eielson Air Force Base, Alaska, breaks away from a KC-135 Stratotanker after receiving fuel over the Joint Pacific Alaska Range Complex during 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 is a Pacific Air Forces-sponsored exercise which tests joint and international participants to execute multi-domain operations in a simulated combat environment. (U.S. Air Force photo by Master Sgt. Burt Traynor)