US Army UFO Cover Up Exposed By Former Air Force Sergeant | UFO Witness

Subscribe to Discovery UK for more great clips: Ben Hansen and Melissa Tittl interview a former Air Force Sergeant who exposes a UFO incident he experienced in the past, which has since been covered up by the US Army. 🇬🇧 Catch full episodes of your favourite Discovery Channel shows on discovery : From Season 2 Episode 1. Follow Discovery UK on Twitter: