An F-35 Lightning II assigned to the 62nd Fighter Squadron at Luke Air Force Base, Ariz., flies over the Nevada Test and Training Range during Red Flag 21-2, March 18, 2021. Red Flag began in 1975 as an aerial combat exercise but has evolved to include war-fighting across air, space and cyberspace domains. (U.S. Air Force photo by Airman First Class Zachary Rufus)