U.S. Air Force Airman 1st Class Alex Vaughn, 912th

U.S. Air Force Airman 1st Class Alex Vaughn, 912th Air Refueling Squadron boom operator assigned to March Air Reserve Base, Calif., prepares a refueling boom in a KC-135 Stratotanker over the Joint Pacific Alaska Range Complex during RED FLAG-Alaska 14-1 May 19, 2014. Nearly all internal fuel, a maximum transfer load of approximately 200,000 pounds, can be pumped through the aircraft’s boom, a rigid, telescoping tube equipped with movable flight control surfaces that an operator controls. (U.S. Air Force photo by Senior Airman Joshua Turner/Released)