Submarine 1206 facts

While investigating facts about Submarine 1206, I found out little known, but curios details like:

U 1206 was a submarine that Germany’s top minds had produced a high tech toilet for which allowed them to flush while being submerged. Flushing was only allowed for specially trained sailors. On its first mission its captain flushed himself which lead to a malfunction and the ship being sunk.

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