They knew that at any moment, German U-boats could descend upon them. Disaster struck at 4:15 p.m. The German UB-64 launched a torpedo that hit the vessel's starboard side and caused an explosion.

World War I was raging off the British Isles when the German submarine UC-18 surfaced to attack easy prey on the chilly morning of9, 1917. Its target, the Lady Olive, was about eight miles off the ...

The whole "boat" designation comes straight from the German word for "undersea ... and by the end of WWI, had built some 334 U-boats (with another 226 under construction). They were vastly ...

During WWII, Germany built 1,162 destructive "U-boats," which is short for the German word "Unterseeboot," or undersea boat. By April 1917, 430 Allied and civilian vessels were sunk by German U-boats.

The ship was transporting supplies and soldiers along the coast when it was torpedoed by German U-boat U-861 on the night of June 19, 1944. The wreck was first reported 14 years ago but was ...

The sinking of the passenger liner Lusitania by a German U-boat helped to shatter that hope. Woodrow Wilson, 1918. Courtesy: Library of Congress Wilson demanded an apology from Germany and ...

U-boats were very vulnerable ... did its awesome threat actually save lives? WW1: Why was the first German defeat in Africa? documentWW1: Why was the first German defeat in Africa?

Did you know? Winston Churchill claimed that the 'U-boat peril' was the only thing that ever really frightened him during WWII. This was when German submarines attacked the Atlantic lifeline to ...

The untold story of the members of the Women's Royal Naval Service, whose brilliant tactics defeat a massive convoy of German U-boats in WWII. When WWII breaks out between Britain and Germany ...

UC-97 became probably the only German submarine sunk within the continental United States. One of five U-boats turned over to the U.S. Navy for post-war study, she toured the Great Lakes as part ...