U.S. Air Force Capt. Joseph Tomassi, 351st Air Refueling Squadron pilot, left, and Lt. Col. Tyler Berge, 100th Operational Support Squadron director of operations, prepare a KC-135 Stratotanker for a flight supporting a Black Sea mission at RAF Mildenhall, United Kingdom, Jan. 14, 2021. U.S. military operations over the Black Sea enhance regional stability, combined readiness and capability with NATO allies and partners. (U.S. Air Force photo by Tech. Sgt. Emerson Nuñez)