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Designed in 1938 it is a Type-A midget submarine 80 feet in length, 6 feet in diameter. The displacement is 46 tons and the hull is made to break down into separate three sections.
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The craft is propelled by a 600-horsepower electric motor, driving a pair of contra-rotating propellers. Batteries supply the power but a mother ship is required to recharge.
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Range is between 25 to 100 miles based on battery use. The sub carries two torpedoes, each armed with 1000 lbs of explosive.
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 Ponga Jim Mayo and
the Merchant Marine
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 Turk Madden and
the Aviators
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 Mike Thorn and
the Mercenaries
The Ships, Subs,
Aircraft and Technology
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