ROYAL AIR FORCE MILDENHALL, England -- Airmen assigned to the 100th Aircraft Maintenance Squadron and the 351st Air Refueling Squadron performed pre-flight checks on a KC-135 Stratotanker aircraft from the 100th Air Refueling Wing at Royal Air Force Mildenhall, England, Mar. 7, 2024. Pre-flight checks are an essential part of flying operations, ensuring the safety of both the aircraft and aircrew.