Maj. Rob Walmsley, operations officer, and Lt. Col. Brice Middleton, 912th Air Refueling Squadron commander, demonstrate a KC-135 Globemaster III pre-flight check at March Air Reserve Base, Calif. , Oct. 21, 2010. The 912th Air Refueling Squadron stood up Oct. 1, 2010 as an active duty associate unit with the 336th Air Refueling Squadron at March.