A U.S. Air Force KC-135 Stratotanker takes off from the 97th Air Mobility Wing runway at Altus Air Force Base, Oklahoma, May 21, 2020. In preparation for the severe weather exercise, a total of 10 KC-135 Stratotankers,10 C-17 Globemaster IIIs, and four KC-46 Pegasus’ took off from the base. (U.S. Air Force photo by Staff Sgt. Cody Dowell)