A U.S. Navy Airman assigned to Electronic Attack Squadron 138, Naval Air Station Whidbey Island, Wash., inspects an EA-18G Growler during Red Flag 15-3 at Nellis Air Force Base, Nev., July 28, 2015. Night missions have been integrated into Red Flag to prepare aircrews for missions in low-light environments. (U.S. Air Force photo by Airman 1st Class Mikaley Towle)