(1991). The Type XXI U-boat. Conway Maritime. ISBN 978-1-55750-829-4. Wikimedia Commons has media related to Type XXI submarines. U-Boot Type XXI in Detail...

further used in the development of the Type VII and Type IX. Type VII submarines were the most widely used U-boats of the war and were the most produced...

Second World Wars. The term is an anglicised version of the German word U-Boot [ˈuːboːt] , a shortening of Unterseeboot (under-sea boat), though the German...

German submarine U-534 is a Type IXC/40 U-boat of Nazi Germany's Kriegsmarine built for service during World War II. She was built in 1942 in Hamburg-Finkenwerder...

January 1942. German Type IXB submarines were slightly larger than the original German Type IX submarines, later designated IXA. U-110 had a displacement...

German submarine U-195 was a Type IXD1 transport U-boat which served in World War II. The submarine was laid down on 15 May 1941 at the DeSchiMAG AG Weser...

Flak, used by the Kriegsmarine on Type VII and Type IX U-boats. The single 3.7 cm Flak M42U gun on the LM 43U mount. U-977 was launched on 31 March 1943...

German submarine U-166 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 6 December 1940 at the...

evacuation. U-39 was the first German U-boat to be sunk in World War II. As one of the eight original German Type IX submarines, later designated IXA, U-39 had...

German submarine U-995 is a Type VIIC/41 U-boat of Nazi Germany's Kriegsmarine. She was laid down on 25 November 1942 by Blohm & Voss in Hamburg, Germany...