Polish F-16 Fighting Falcons and MiG-29s escort a B1B Lancer during a training mission for Bomber Task Force Europe, May 29, 2020. Aircrews from the 28th Bomb Wing, Ellsworth Air Force Base, S.D., took off on their long-range, long-duration Bomber Task Force mission to conduct interoperability training in the Black Sea region. Training with NATO allies and theater partner nations contributes to enhanced interoperability and enables building enduring relationships necessary to confront the broad range of global challenges. (Polish Air Force courtesy photo)