The 117th Air Refueling Squadron is an operational unit within the United States Air Force. Based primarily at RAF Mildenhall, England, this squadron specializes in aerial refueling operations using the KC-135 Stratotanker aircraft. Its mission involves providing air-to-air refueling support to various USAF and allied military aircraft, extending their range and endurance. The 117th ARS is under the operational control of the 100th Air Refueling Wing. The squadron’s history dates back to 1942 when it was first activated as a B-25 Mitchell medium bomber unit in the Pacific Theater during World War II. Over the years, it has transitioned through several roles and aircraft types before assuming its current mission as an air refueling unit.