A U.S. Air Force B-52 Stratofortress assigned to the 5th Bomb Wing departs after aerial refueling over the North Sea during Bomber Task Force Europe, Sept. 25, 2020. BTF missions strengthen interoperability among NATO allies and partners, enhancing the skills necessary to confront a broad range of global challenges in support of the National Defense Strategy. (U.S. Air Force photo by Airman 1st Class Jessi Monte)