Strange lights illuminating from the bottom of the Bermuda Triangle may point to strange alien activity. See more in this clip from Season 1, "USOs & Underwater Forces." Love watching The Proof Is Out There: Bermuda Triangle Edition? Stay up to date on all of your favorite The HISTORY Channel ...

U.S. customs and border patrol spot something strange while on a routine flight. See more in this clip from Season 1, "USOs & Underwater Forces." Love watching The Proof Is Out There: Bermuda Triangle Edition? Stay up to date on all of your favorite The HISTORY Channel shows at ...