Fairchild Air Force Base is under the operational control of the Air Mobility Command (AMC) and is home to a wide variety of units and missions. Most prominent is its air refueling mission, with two wings, one active, the 92d Air Refueling Wing, and one Air National Guard, the 141st Air Refueling Wing, both flying the Boeing KC-135 Stratotanker. The base is at an elevation of 2,463 feet above sea level and covers approximately 4,300 acres of high plains characteristic of Eastern Washington.