Led by “eager and aggressive” young lieutenants, U-boat crews operated under the German tradition of Auftragstaktik ... one of the best preserved underwater.” Guernsey, meanwhile ...

The food aboard a German U-boat could get really monotonous, especially after the first ten days or so, when all of the best and freshest ingredients would have gone bad. This simple soup uses ...

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.