The U-550 is one of several World War II-era German U-boats that have been discovered off the U.S. coast, but it's the only one that went down in that area, Mazraani said.

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.

During the Battle of the Atlantic, German U-boats terrorized civilian and military shipping across the ocean, causing widespread death and destruction.

As the USS Borie prepared to ram a German U-boat in the early morning hours of Nov. 1, 1943, the sailors on the Navy destroyer braced for impact. Turbulent waters in the north Atlantic Ocean ...

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After a 7-year search, a missing German U-boat is lost no longer During the very first dive of the expedition, scientists located and explored the German U-576.

A German U-boat torpedoed the Norlindo on May 4, 1942, off Southwest Florida’s Dry Tortugas, and it sank so quickly that five of the 28 men aboard did not have time to escape.

The 295-foot-long and 33-foot-tall boat had to be put on its side and then set upright again to squeeze through some of the narrow streets on the route to the museum.

The German U-85 went down with all 46 hands aboard - the first German U-boat sunk by a U.S. Navy ship since America entered the conflict.

Revisit Baton Rouge’s Harding Field, uncover a German U-Boat in the Gulf of Mexico and talk with the men of the 760th Tank Battalion. This poignant essay on Louisiana’s role in the war salutes ...

During World War I, Germany’s U-boats engaged unrestricted submarine warfare, devastating attacks on British ships notably the Lusitania.