In March 1918, the U.S. Navy’s largest fuel ship left Barbados carrying 11,000 tons of manganese ore and 306 people, but it vanished without sending a single distress call: More than a century later, no confirmed trace of the ship has ever been found

On March 4, 1918, the USS Cyclops, then the largest fuel ship in the U.S. Navy, departed Barbados on what should have been the final leg of its voyage to Baltimore.

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