On October 15, 1914, a German sub captained by U-boat ace Otto Weddigen attacked the HMS Hawke, killing 524 crew members, ...

A diary handed down through three generations has helped find the wreck of a German U-boat sunk by a secret Royal Navy Q-ship ...

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.

Two days later, the German U-boat U-552 left the French port of St ... US merchant ships had already been sunk in the Atlantic, and in mid-October, another US destroyer was hit by a torpedo ...