Ships try to avoid sinking, submarines sink on purpose...
2,439 ships
2,439 ships
Sinking ships; exploring the depths.
Merchant Ships
Ships would form a convoy in an attempt to reduce their vulnerability to enemy submarines.
They caused anxiety and sink ships.
food to the central power
54
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'
sink allied supply ships to England
'42-'44
War material.