F-35A maintenance sparks Red Flag 17-1
Maintainers from the 419th and 388th Fighter Wings at Hill Air Force Base, Utah, conduct preflight checks on an F-35A Lightning II during Red Flag 17-1 at Nellis AFB, Nev., Jan. 24, 2017. The F-35A will be participating in Red Flag 17-1, making it the first iteration to incorporate the fifth-generation fighter. (U.S. Air Force photo/Airman 1st Class Nathan Byrnes)