U-boat
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U-boats are naval submarines operated by Germany, especially during World War I and World War II. The term is an anglicized form of the German word U-Boot, a shortening of Unterseeboot. Austro-Hungari
U-995, a typical VIIC/41 U-boat on display at the Laboe Naval Memorial near Kiel, Germany
The first German submarine, the SM U-1. Her remains are on display at the Deutsches Museum in Munich.
The German submarine U-11, showing the kerosene vapour trail.
Sea mines are loaded in a UC coastal submarine in the harbour of Zeebrugge
Type IX submarine
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The Type IX U-boat was a class of large U-boats built for Nazi Germany's Kriegsmarine from 1936 to 1945. Derived from the preceding Type I class, it was designed as a large ocean-going submarine for s
U-boat
…pitching. Whilst submerged, it suffered problems with depth keeping and stability caused by the wobbling of air bubbles in the fuel tanks. Hence a new Type IX design for a large U-boat was made. Twenty-one of these twenty-three U-boats were commissioned before World War II. In 1937, Britain announced it would…
U-505, a type IXC U-boat
This picture distinguishes the larger Type IX in the background with its double hull and wide upper deck, from the smaller Type VII in the foreground with its saddle tanks.
The salvaged U-534 at Birkenhead Docks, Merseyside, England.
The Japanese RO-500 ( ex-U-511 )