A 1st Fighter Wing F-22 Raptor pilot conducts a walk-around his aircraft before boarding during Red Flag 17-1 at Nellis Air Force Base, Nev., Jan 26, 2017. The Raptors out of Joint Base Langley-Eustis, Va., are working alongside the F-35A Lightning II to suppress enemy targets and provide targeting and cover for fourth-generation aircraft. (U.S Air Force photo by Staff Sgt. Natasha Stannard)