The Fifteenth Expeditionary Mobility Task Force (15 EMTF) was one of two EMTFs assigned to the United States Air Force Air Mobility Command (AMC). It was headquartered at Travis Air Force Base, California. The 15 EMTF was inactivated on 20 March 2012. 15 EMTF provided strategic and theater airlift for all United States Department of Defense agencies as well as air refueling for the Air Force in both peace and wartime. Primary aircraft assigned to its units were the C-5 Galaxy, C-9 Nightingale, C-17 Globemaster III, C-21, C-130 Hercules, KC-10 Extender, and KC-135 Stratotanker.