Overview
- Current reports summarize Sean Smyrichinsky’s 2016 sighting of a 12‑foot, bolt‑studded object on the seabed near Haida Gwaii.
- Canada’s Department of National Defence reviewed the tip in 2016 and the Canadian Armed Forces said a ship would investigate.
- Journalists connect the find to the Mark IV jettisoned during a 1950 B‑36 emergency, based on the object’s shape resembling archival images.
- The U.S. Air Force’s published account states the bomb was a lead‑filled training unit without a plutonium core.
- No public evidence shows the object was recovered or conclusively identified, though coverage notes the U.S. still has several warheads listed as unaccounted for.