An EA-18G Growler taxis toward the end-of-runway in preparation to take off during Red Flag 15-3 at Nellis Air Force Base, Nev., July 28, 2015. Red Flag is an air-to-air, air-to-ground, and cyber combat training exercise conducted over the 2.9 million acre Nevada Test and Training Range north of Las Vegas. (U.S. Air Force photo by Airman 1st Class Mikaley Towle)