


U-21
Country | Germany |
Ship Class | Type II-class Submarine |
Builder | Friedrich Krupp Germaniawerft |
Yard Number | 551 |
Slip/Drydock Number | II |
Ordered | 2 Feb 1935 |
Laid Down | 4 Mar 1936 |
Launched | 13 Jul 1936 |
Commissioned | 6 Aug 1936 |
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