BETA ZEN
Dora II
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Dora II is an unfinished German submarine base and submarine pen or bunker in Trondheim, Norway, which is next to Dora I. Construction of the bunker was undertaken during the Second World War, but the complex was never finished unlike Dora I. Trondheim was traditionally referred to as Drontheim in German, and the name DORA is the letter "D" in the German phonetic alphabet.