170201-F-OD616-0004 2 12/26/2017 Airman 1st Class Santos Vargas assigned to the 34th Aircraft Maintenance Unit operates a jammer while loading a GBU-12 into an F-35A during Red Flag 17-1, Nellis Air Force Base, Nev., Feb. 1, 2017. (U.S. Air Force photo/R. Nial Bradshaw)