A Ukrainian Su-27 Flanker and MiG-29 Fulcrum escort U.S. Air Force B-1B Lancers during a training mission for Bomber Task Force Europe, May 29, 2020. Aircrews from the 28th Bomb Wing at Ellsworth Air Force Base, S.D., took off on their long-range, long-duration Bomber Task Force mission to conduct interoperability training throughout Europe and the Black Sea region. Training with NATO allies and theater partner nations contributes to enhanced resiliency and interoperability and enables coalition forces to build enduring relationships necessary to confront global challenges. (Courtesy photo by Ukrainian Air Force)