Soviet submarine K-129
LocationNorth Pacific
Year1968
Depth5,600 m
Size3,000 tonnes
TypeBallistic missile submarine
About Soviet submarine K-129
Sank with all 98 crew, cause unknown. The CIA secretly located her and built the Glomar Explorer to lift part of the hull in Project Azorian, disguised as seabed mining. The 1974 lift partially succeeded. One of the deepest recoveries ever attempted.