 The squadron operates the Boeing KC-135 Stratotanker aircraft conducting air refueling missions.The first predecessor of the squadron is the 536th Bombardment Squadron, which was activated at Salt Lake City Army Air Base in November 1942 as one of the four original squadrons of the 382d Bombardment Group.The squadron moved to Davis–Monthan Field, Arizona in January 1943 and began to operate as an Operational Training Unit (OTU) for Consolidated B-24 Liberator units.