A U.S. Air Force C-17 Globemaster III assigned to the 58th Airlift Squadron taxies on the flightline during a large formation exercise, May 21, 2020 at Altus Air Force Base, Oklahoma. 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 Airman 1st Class Breanna Klemm)