A B-1B Lancer from the 28th Bomb Wing at Ellsworth Air Force Base, S.D., flies with a Polish F-16 during a long-range, long-duration training mission for Bomber Task Force Europe, May 11, 2020. Bomber Task Force missions are intended to demonstrate U.S. commitment to the collective defense of the NATO alliance and are a visible demonstration of the U.S. capability of extended deterrence. (Courtesy photo by Polish Air Force)