lilith
HELL
U-boat, German U-boot, abbreviation of Unterseeboot, (“undersea boat”), a German submarine. The destruction of enemy shipping by German U-boats was a spectacular feature of both World Wars I and II. Launching of U-218 at Kiel, Germany, in 1941. From J.P. Mallmann Showell, U-Boats under the Swastika (1987).