What you call them depends on where they're made. A U-boat is nothing more than the Anglicized term for a German submarine and isn't strikingly different from U.S. subs. The whole "boat ...

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 ...