Yes, but so are airplanes.
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Ships try to avoid sinking, submarines sink on purpose...
2,439 ships
2,439 ships
Sinking ships; exploring the depths.
Ships would form a convoy in an attempt to reduce their vulnerability to enemy submarines.
Merchant Ships
They caused anxiety and sink ships.
54
food to the central power
Michael DiMercurio has written: 'Barracuda Final Bearing' 'Phoenix sub zero' -- subject(s): Submarines (Ships), Naval battles, Fiction 'Attack of the Seawolf' -- subject(s): Fiction, Submarines (Ships), Naval battles 'Barracuda' -- subject(s): Protected DAISY 'The complete idiot's guide to submarines' 'Seawolf' 'Voyage of the Devilfish' -- subject(s): Submarines (Ships), Fiction 'Threat vector' -- subject(s): Fiction, Submarine combat, Submarines (Ships) 'Piranha'
They were used by submarines to navigate when not in open waters, They were also used by submarines and anti-submarine ships to locate enemy submarines.
sink allied supply ships to England