ExplosiveZone on Instagram: "On June 6, 1971, Hughes Airwest Flight 706 suffered a tragic mid-air collision with a United States Navy McDonnell Douglas F-4B Phantom II fighter over the San Gabriel Mountains near Duarte, California. The Douglas DC-9, operated by Hughes Airwest, was headed from Los Angeles to Salt Lake City with 49 passengers and crew on board. All the occupants of the DC-9 lost their lives, as did one of the two F-4 Phantom pilots, while the other managed to safely eject. The inv