German submarine U-21 (1936)
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German submarine U-21 was a Type IIB U-boat of Nazi Germany's Kriegsmarine. Her keel was laid down 4 March 1936, by Germaniawerft of Kiel as yard number 551. She was commissioned on 3 August 1936. Dur
U-9, a typical Type IIB boat
Type II submarine
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The Type II U-boat was designed by Nazi Germany as a coastal U-boat, modeled after the CV-707 submarine, which was designed by the Dutch front company NV Ingenieurskantoor voor Scheepsbouw Den Haag an
German submarine U-21 (1936)
…German submarine U-21 was a Type IIB U-boat of Nazi Germany's Kriegsmarine. Her keel was laid down 4 March 1936, by Germaniawerft of Kiel as yard number 551. She was commissioned on 3…
U-1, a Type IIA submarine and lead ship of the class