Airmen onboard a KC-46A Pegasus from the 97th Air Mobility Wing, Altus Air Force Base, Okla., observe the refueling of an F-16 Fighting Falcon at Powder River Training Complex S.D., July 21, 2021. The aircraft were both participating in exercise Combat Raider 21, hosted by Ellsworth Air Force Base, S.D. (U.S. Air Force photo by Airman 1st Class Quentin K. Marx)