Led by “eager and aggressive” young lieutenants, U-boat crews operated under the German tradition of Auftragstaktik, “which allowed for great flexibility in accomplishing a mission ...

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.

The Treaty of Versailles blocked the German Navy from having submarines and limited the number of officers to 1,500. One of those officers was U-boat skipper Karl Dönitz. He was assigned as ...

In 1917 Britain and her allies were losing hundreds of ships every month to German U-boats ... idea to protect these ships from the U-Boat threat. During his wartime service in the Navy, Wilkinson ...

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 ...