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Resting silently on the ocean floor.
At that depth, recovery was extremely difficult. The crushing pressure, near-freezing temperatures, and limited visibility turned the operation into a technical nightmare.
Even then, success was not guaranteed.
At one point, the bomb slipped during recovery attempts, nearly disappearing again into the abyss.
On April 7, 1966, after weeks of careful maneuvering, the bomb was finally brought to the surface.
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