Hangar 1: The UFO Files - Underwater UFOs

Seizoen: 2 - Aflevering: 2 / 10 - Eerst uitgezonden: 17 april 2015 - Episode ID: 1173613

Could there be just as many UFOs traveling beneath our oceans and lakes as those reported in our skies? MUFON investigations uncover an extensive history of submersible UFOs--and the possible underwater bases that conceal them.