An F-35 fighter jet crashed at a military base in San Diego on July 31, authorities said, triggering a large emergency response. "There was an aviation mishap involving a Marine Corps F-35B in the vicinity" of Marine Corps Air Station Miramar at about 10:00 am, a spokesman for the base told AFP. (SANDY HUFFAKER, AFP via Getty Images) Marine fighter jet crashes near Miramar Air Base in San Diego 1 of 7 Fire crews spray down the wreckage of a US Marines' F-35B fighter jet after it crashed into a field near Miramar Air Base in San Diego on July 31, 2026. Smoke rises after a Marine Corps F-35B accident at Marine Corps Air Station Miramar in San Diego, California, U.S., July 31, 2026 in this frame grab taken from video footage. Contributing: Eduardo Cuevas, Amanda Lee MyersThis article originally appeared on USA TODAY: F-35 fighter jet crashes at Marine Corps air base in San Diego