U.S. Air Force Maj. Gen. Craig Wills, 19th Air Force commander, passes the guidon to U.S. Air Force Col. Matthew Leard, 97th Air Mobility Wing commander, during the 97th AMW change of command ceremony, June 21, 2019, at Altus Air Force Base, Okla. Leard assumed command from U.S. Air Force Col. Eric Carney and is responsible for the formal training of all KC-135 Stratotanker, C-17 Globemaster III and KC-46 Pegasus aircrews for active duty, Air National Guard, Air Force Reserve units as well as multiple partner air forces from across the world. (U.S. Air Force photo by Airman 1st Class Breanna Klemm)