ALTUS AIR FORCE BASE, Okla. – U.S. Air Force Chief Master Sgt. Gerardo Tapia, command chief of Air Education and Training Command, simulates in-flight refueling from a KC-135 Stratotanker during a visit to the Boom Operator Weapons System Training Simulator Aug. 7, 2014. Tapia was able to get a hands-on look at the 97th Air Mobility Wing's training mission and its contribution to meeting future warfighter needs. (U.S. Air Force photo by Senior Airman Dillon Davis/Released)
{}