Falcons Follow An Air Force KC-135 Stratotanker leads a joint formation of F-16 Fighting Falcons during Astral Knight in Poland, Sept. 17, 2020. The joint, multinational exercise involves U.S. airmen and soldiers working with service members from Poland, Latvia, Lithuania, Estonia and Sweden. SHARE: Download: Full Size (1.58 MB) Tags: Air Force Credit: Courtesy Photo VIRIN: 200917-F-F3253-0015M.JPG Photo Gallery