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-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-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...

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-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,...

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...

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-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-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...

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-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...

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...

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...

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-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-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-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-179 was a Type IXD2 U-boat of Nazi Germany's Kriegsmarine built for service during World War II. Ordered on 28 May 1940, the U-boat...

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-39 was a Type IXA U-boat of the Kriegsmarine that operated from 1938 to the first few days of World War II. She was ordered by the Kriegsmarine...

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...

German submarine U-198, was a Type IXD2 U-boat which fought in World War II. She was built by the Deschimag DeSchiMAG AG Weser in Bremen. She was laid...

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-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-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...

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

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