U.S. Air Force C-17 Globemaster IIIs assigned to the 58th Airlift Squadron taxi into position for an elephant walk during a large formation exercise, May 21, 2020 at Altus Air Force Base, Oklahoma. Airmen of the 97th Air Mobility Wing participated in this exercise to practice emergency response procedures. (U.S. Air Force photo by Airman 1st Class Breanna Klemm)