or U-boats, sunk, scuttled, captured, or otherwise lost to German forces during World War II. Here, naval historian Timothy Mulligan describes 25 of the most historically significant U-boats.

In June, France signed an armistice with Germany, and soon three French bases gave U-boats more convenient access to the open ocean. The 18 months between July 1940 and December 1941 were known ...

They were designed to engage in a deadly game of cat and mouse, luring in surfaced U-boats as British crews pretended to escape in “panic parties” before a German submarine commander blew up ...

Were the Unterseeboots Ready for War? U-boats were the submarine arm of the German navy and a month into WW1 they struck at the Royal Navy when U-21 sank the cruiser HMS Pathfinder. This was the ...

In that same vein, all U-boats are submarines, but not all submarines are U-boats. What you call them depends on where they're made. A U-boat is nothing more than the Anglicized term for a German ...

The weapon would be the submarine, U-boats. On a desolate mud bank in the salt marshes of Kent lies the metal carcass of a First World War German U-boat. British ships were blockading German ports ...