For over six years, the wreck of the Soviet submarine "K-129" had
lain in the dark abyss and shifting silt of the North Pacific. From its
loss in March 1968 until its exposure in March 1974, the world was
unaware that the Russians had lost a strategic missile submarine with
its three one megaton thermo-nuclear warheads, and two nuclear-
The Soviet Government was equally unaware that the US had located
and photographed the wreck and was preparing the largest marine
salvage operation in history to raise the K-129.