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  1. covert_shores

    Type-XXI Submarine with Ursel rockets

    Usual caveats apply, full size cutaway at http://www.hisutton.com/Type-XXI-U-Boat-of-World-War-Two.html The Type-XXI was important in a lot of ways, but had the Ursel rockets made it into service I think it could have further reshaped Cold War submarine equipment, at least in the immediate...