A B-1B Lancer from Ellsworth Air Force Base, South Dakota, performs an engine run during a Red Flag 21-2 at Nellis AFB, Nev., March 12, 2021. The B-1, along with several other aircraft, participated in Red Flag for the opportunity to train in realistic combat scenarios in preparation for future warfare. (U.S. Air Force photo by Staff Sgt. Hannah Malone)