As American forces race against time and Iran's military to locate a missing fighter jet crew reportedly shot down Friday, a retired Air Force general told AFP what it takes to hide and survive if parachuted into enemy territory."You're like, 'Oh my God, I was in a fighter jet two minutes ago, flying 500 miles an hour, and a missile just exploded, literally 15 feet from your head,'" said retired brigadier general Houston Cantwell, who is now at the Mitchell Institute for Aerospace Studies.