Mission The KC-135 Stratotanker's principal mission is air refueling. This asset greatly enhances the U. S. Air Force's
capability to accomplish its mission of Global Engagement. It also provides aerial refueling support to U.S. Navy,
U.S. Marine Corps and allied aircraft.
The Air National Guard's federal mission is to maintain well-trained, well-equipped units available for prompt mobilization during war and provide assistance during national emergencies (such as natural disasters or civil disturbances). During peacetime, the combat-ready units and support units are assigned to most Air Force major commands to carry out missions compatible with training, mobilization readiness, humanitarian and contingency operations such as Operation Enduring Freedom in Afghanistan.