UD-3 was an O 21-class submarine. The boat was laid down as the Dutch submarine HNLMS K XXV and renamed HNLMS O 25 but was captured during the German...

UD-4 was an O 21-class submarine. The boat was laid down as the Dutch submarine HNLMS K XXVI and renamed HNLMS O 26 but was captured during German invasion...

UD-5 was an O 21-class submarine. The boat was laid down as the Dutch submarine HNLMS K XXVII and renamed HNLMS O 27 but was captured during the German...

her, with knowledge gained from the interned German submarine UC-8. After UC-8 was bought from Germany O 8 was equipped with UC-8's Zeiss periscope....

The Type U 66 was a class of five submarines or U-boats operated by the German Imperial Navy (German: Kaiserliche Marine) during World War I. The class...

by the German forces. The Kriegsmarine ordered the completion of the boats and they entered German service as UD-3, UD-4 and UD-5. The submarines' diving...

German submarine Wilhelm Bauer (originally designated U-2540) is a Type XXI U-boat of Nazi Germany's navy (Kriegsmarine), completed shortly before the...

ex Dutch submarine HNLMS O 8 UD-2: ex Dutch submarine HNLMS O 12 UD-3: ex Dutch submarine HNLMS O 25 UD-4: ex Dutch submarine HNLMS O 26 UD-5: ex Dutch...

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

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...

Germany has commissioned over 1,500 U-boats (German: Unterseeboot) into its various navies from 1906 to the present day. The submarines have usually been...

German submarine U-853 was a Type IXC/40 U-boat of Nazi Germany's Kriegsmarine during World War II. Her keel was laid down on 21 August 1942 by DeSchiMAG...

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...

the end of the war. Afterwards, UD-2 was raised and demolished. Helgason, Guðmundur. "Foreign U-boats UD-2". German U-boats of WWII - uboat.net. Retrieved...

mine-laying submarines of the Royal Navy. She served in the Second World War and was captured by the Kriegsmarine and taken into German service as UB...

1920 Captured and recommissioned German U-boats - German Type IX submarines German submarine U-190 and German submarine U-889 Capitan O'Brien class - built...

peroxide (HTP), the fuel known as T-Stoff in German service. The three completed German Type XVIIB submarines were scuttled by their crews at the end of...

German submarine U-552 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 1 December 1939...

German submarine U-2501 was a Type XXI U-boat (one of the "Elektroboote") of Nazi Germany's Kriegsmarine, built for service in World War II. The submarine...

SM U-68 was a Type U 66 submarine or U-boat for the German Imperial Navy (German: Kaiserliche Marine) during the First World War. She had been laid down...

SM UC-30 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat...

German submarine UA was one of fourteen foreign U-boats in the German Kriegsmarine during the Second World War. Built at Kiel as one of four submarines...

German submarine U-795 was a Type XVIIA U-boat of Nazi Germany's Kriegsmarine during World War II. U-795 was laid down on 2 February 1943 at the Friedrich...

German submarine U-30 was a Type VIIA U-boat of Nazi Germany's Kriegsmarine that served during World War II. She was ordered in April 1935 in violation...

German submarine U-17 was a Type IIB U-boat of Nazi Germany's Kriegsmarine. It was built in Germaniawerft, Kiel, where it was laid down on 1 July 1935...

German submarine U-48 was a Type VIIB U-boat of Nazi Germany's Kriegsmarine during World War II, and the most successful that was commissioned. During...

German U-boat types (submarine classes) used in World War I and World War II. The anglicized word U-boat is usually only used as reference for German...

German submarine U-3523 was a Type XXI U-boat (one of the "Elektroboote") of Nazi Germany's Kriegsmarine, built for service in World War II. She was ordered...

The Lockheed P-3 Orion is a four-engined, turboprop anti-submarine and maritime surveillance aircraft developed for the United States Navy and introduced...

SM U-67 was a Type U 66 submarine or U-boat for the German Imperial Navy (German: Kaiserliche Marine) during the First World War. She had been laid down...