The 18 months between July 1940 and December 1941 were known, to the German submarine force, as the "happy time." Fleet headquarters in Germany directed U-boat operations by long-range radio.

U-869, the submarine profiled in the NOVA program "Hitler's Lost Sub," was just one of the more than 1,100 Unterseeboote, or U-boats, sunk, scuttled, captured, or otherwise lost to German forces ...

The British crew would get a prize for sinking a submarine, so there was "a motive to make this up", he said. James Simpson's diary helped locate a German U-boat sunk by a Royal Navy Q-ship Mr ...

German submarines, known as U-boats, targeted Allied shipping during World War One, sinking hundreds of vessels. Historians say the UC-61 was credited with sinking at least 11 ships, either by ...

"British complaints about the fairness of submarine tactics in WWI. David Hoffman presents captivating documentaries and archival news clips that explore the evolution of American life over the past c ...

The team consulted both the war diary (log) of the U-boat which sank Hawke ... the divers recorded tell-tale features of a WW1-era warship, while a side-scan sonar sweep of the wreck by the divers’ ...

These deadly submarines patrolled the waters of the ... This would not have made a difference to a WW1 U-boat commander hunting slow merchant ships. But it could make a difference today where ...

Germany's 140 U-boats had sunk almost a third of the world's merchant ships. (Source: National WW1 Museum and Memorial, USA.) The SS Maplewood being torpedoed and sunk by German submarine SM U-35 ...

Midget submarines have been employed by other military powers throughout history, but the U.S. only had one briefly alongside ...

A Guernsey-made documentary about a U-boat which sank during World War One has helped resurface the ... filmmakers to track down relatives of the submarine's crew. Mr Lübcke said there was ...

Jerry Hendrix, retired Navy captain and senior fellow at the Sagamore Institute, wrote in American Affairs that the U.S. nuclear submarine fleet was 140 boats at its Cold War high, when everywhere ...

A diary handed down through three generations has helped find the wreck of a German U-boat sunk by a secret ... known battle ...