Senior Airman Riley Tharpe, a tactical aircraft maintainer assigned to the 391st Fighter Squadron at Mountain Home Air Force Base, Idaho, performs a maintenance check on an F-15E Strike Eagle fighter jet during Red Flag 20-3 at Nellis AFB, Nevada, Aug. 5, 2020. Red Flag exercises are conducted on the Nevada Test and Training Range, which houses more than 12,000 square miles of air space and 2.9 million acres of land. (U.S. Air Force photo by Airman 1st Class Dwane R. Young)