Two military jets collided during an air show at an Air Force base in Idaho on Sunday, prompting their pilots to eject as the planes fell to the ground and crashed in a fiery explosion.“Emergency responders are on the scene,” the Mountain Home Air Force Base’s 366th Fighter Wing wrote on Facebook. “An investigation is underway and more details will be released as they become available.”“All four of the air crew successfully ejected and they are being evaluated by medical personnel,” Cmdr. Amelia Umayam, a spokesperson for Naval Air Forces, U.S. Pacific Fleet, told The Independent in a statement. “First responders are on the scene.”The crash involved two U.S. Navy E/A-18G aircraft assigned to the Electronic Attack Squadron (VAQ) 129 from Whidbey Island, Washington, the official said.The incident is under investigation.Two Navy jets collided during an air show at Mountain Home Air Force in Idaho on Sunday and exploded as they hit the ground, though their pilots were able to eject safely (Idaho News 6 screengrab)Video of the crash shows two grey jets tangling mid-air, then parachutes opening as their pilots eject. The jets then fall to the ground and explode upon impact.The air show has been cancelled, according to the Mountain Home Police Department.“Please DO NOT travel to or attempt to access Mountain Home Air Force Base as a spectator, as the event will no longer be taking place,” the department wrote in a post on Facebook."We saw the smoke and fireball," attendee David Katz told Fox News Digital. "Apparently they collided there. One of the planes was impacted and started burning in the air."The crash involved two E/A-18G aircraft flown by Navy pilots (Idaho News 6 screengrab)"Fire crews are flying by us right now," he added.The crash did not occur at the base itself, Kim Sykes, marketing director with Silver Wings of Idaho, which helped to plan the air show, told Idaho’s CBS 2 Idaho. The collision occurred about two miles northwest of the facility. Air show guests were asked to remain on the base in the flightline area to allow emergency responders to access the crash site.“We are working on a plan to safely allow guests to exist the base as soon as possible,” the 366th wrote on Facebook.