The Shark-Proof Submarine is a submarine shaped like a shark, invented by Professor Calculus to search for the treasure of infamous pirate captain Red Rackham. It can go down to 900 feet and has two hours' worth of oxygen.
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The Shark-Proof Submarine is a submarine shaped like a shark, invented by Professor Calculus to search for the treasure of infamous pirate captain Red Rackham. It can go down to 900 feet and has two hours' worth of oxygen.