A 138th Fighter Wing F-16 Fighting Falcon from Tulsa Air National Guard Base, Oklahoma, performs a roll while flying behind a KC-135R Stratotanker April 25, 2019. The Stratotanker, from the 507th Air Refueling Wing at Tinker Air Force Base, Oklahoma, refueled four 138th Fighter Wing F-16 Fighting Falcons during flight operations over Kansas. (Courtesy photo by Mike Killian)