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USS Cyclops Disappearance
The largest Navy vessel to vanish without a trace. 309 souls lost. No distress signal. No wreckage. No bodies. The Bermuda Triangle's most significant military loss. Still missing after 100+ years.
March 1918
Bermuda Triangle
0 The USS Cyclops is America’s greatest naval mystery.
The Ship
Navy collier:
- 542 feet long
- Carrying manganese ore
- 309 crew and passengers
- Returning from Brazil
- March 1918
The Disappearance
What happened:
- Left Barbados March 4
- Expected March 13
- Never arrived
- No distress call
- No trace found
The Search
Navy response:
- Extensive search
- Ships and planes
- Nothing found
- No wreckage
- No bodies
The Theories
Explanations proposed:
- German submarine (none claimed)
- Structural failure
- Cargo shifted
- Storm
- Bermuda Triangle
The Record
Still stands:
- Largest Navy ship lost without combat
- Largest US Navy loss of life (peacetime)
- No explanation
- Over 100 years
- Still listed missing
Sister Ships
More vanished:
- USS Proteus (1941)
- USS Nereus (1941)
- Same route
- Same disappearance
- Pattern?