Haida Gwaii Diver Encounters 12-Foot Disk on Seabed, Sparking Cold War Nuclear-Weapon Speculation and Canadian Investigation
To the point
Sean Smyrichinsky, a diver off Haida Gwaii, found a 12-foot disk-shaped object on the seafloor that looked like a UFO and sparked talk it could be a Cold War era lost nuclear bomb, possibly a Mark IV, with Canada saying it would assess the risk and decide whether to retrieve it.