Red Flags heartbeat: Core unit arrives at NAFB
U.S. Air Force F-22 Raptors assigned to the 1st Fighter Wing fly into Nellis Air Force Base, Nev., Feb. 18, 2017. The fifth generation aircraft flew in from Langley Air Force Base, Va., to participate in the three-week Red Flag 17-1. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)