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.

Under the command of Lt. Cmdr. Maurice Jester, the Coast Guard cutter Icarus, shown here, sank a German U-boat off the North Carolina coast during WWII. (U.S. Coast Guard) After the Japanese ...

On May 10th, 1945, all the German U-boats were told to surrender. The U249, which was the first German U-boat to arrive in UK waters, came into Weymouth Bay and surrendered. The commanding officer ...