German submarine U-171 was a Type IXC U-boat of Germany's Kriegsmarine built for service during World War II. It was laid down on 1 December 1940 at the...

German submarine U-864 was a Type IXD2 U-boat of Nazi Germany's Kriegsmarine in World War II. On 9 February 1945, she became the only submarine in history...

U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars. The term is an anglicized version of the German word...

German submarine U-181 was a Type IXD2 U-boat of Germany's Kriegsmarine during World War II. The submarine was laid down on 15 March 1941 at the DeSchiMAG...

German submarine U-559 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. Laid down on 1 February 1940 at the...

German submarine U-862 was a Type IXD2 U-boat of Nazi Germany's Kriegsmarine during World War II. After Germany's surrender in May 1945, U-862 put into...

U-167 U-168 U-169 U-170 U-183 U-184 U-185 U-186 U-187 U-188 U-189 U-190 U-191 U-192 U-193 U-194 U-525 U-526 U-527 U-528 U-529 U-530 U-531 U-532 U-533...

U-2323 U-2324 U-2325 U-2326 U-2327 U-2328 U-2329 U-2330 U-2331 U-2332 U-2333 U-2334 U-2335 U-2336 U-2337 U-2338 U-2339 U-2340 U-2341 U-2342 U-2343 U-2344...

German submarine U-852 was a Type IXD2 U-boat built for Nazi Germany's Kriegsmarine during World War II. The submarine, which was a special long-range...

German submarine U-971 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 15 June 1942...

German submarine U-26 was one of the two Type IA ocean-going U-boats produced by Nazi Germany's Kriegsmarine. Constructed in Bremen, U-26 was commissioned...

German submarine U-188 was a Type IXC/40 U-boat of Nazi Germany's Kriegsmarine built for service during World War II. Laid down on 18 August 1941 by Deutsche...

SM U-35 was a German U 31-class U-boat which operated in the Mediterranean Sea during World War I. It ended up being the most successful U-boat participating...

U-76 U-83 U-84 U-85 U-86 U-87 U-99 U-100 U-101 U-102 U-69 U-70 U-71 U-72 U-77 U-78 U-79 U-80 U-81 U-82 U-88 U-89 U-90 U-91 U-92 U-93 U-94 U-95 U-96 U-97...

German submarine U-848 was a Type IXD2 U-boat built for Nazi Germany's Kriegsmarine during World War II. Laid down in Bremen and commissioned on 20 February...

German submarine U-196 was a Type IXD2 U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 10 June 1941 at the AG...

German submarine U-873 was a German long-range Type IXD2 U-boat of World War II. Following the surrender of Germany, the United States Navy studied U-873...

German submarine U-238 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine built for service in the Second World War. She was laid down on 21 April...

A submarine pen (U-Boot-Bunker in German) is a type of submarine base that acts as a bunker to protect submarines from air attack. The term is generally...

German submarine U-585 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. She carried out four patrols, but sank no ships. She...

German submarine U-177 was a Type IXD2 U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 25 November 1940, at...

German submarine U-405 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The U-boat was laid down on 8 July 1940 at the Danziger...

German submarine U-406 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 6 September 1940...

German submarine U-859 was a Type IXD2 U-boat built for Nazi Germany's Kriegsmarine during World War II. She was one of a select number of U-boats to join...

German submarine U-37 was a Type IXA U-boat of the German Navy (Kriegsmarine) during World War II. The submarine was laid down on 15 March 1937 at the...

whereas the Imperial German Navy surface fleet was mainly restricted to the German Bight, and used commerce raiders and submarine warfare to operate elsewhere...

German submarine Hai, the former U-2365 Type XXIII U-boat of Nazi Germany's Kriegsmarine during World War II, was one of the first submarines of the Bundesmarine...

German submarine U-883 was a Type IXD/42 U-boat of Nazi Germany's Kriegsmarine in World War II. Designed in 1942, U-883 was the only commissioned Type...

German submarine U-850 was a long-range Type IXD2 U-boat built for Nazi Germany's Kriegsmarine during World War II. German Type IXD2 submarines were considerably...

German submarine U-409 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine in World War II. She was laid down on 26 October 1940 by Danziger Werft,...