List of active Hellenic Navy ships
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Air-independent propulsion
History of the Hellenic Navy
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Type 214 submarine
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Quebec-class submarine
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Soviet submarine M-256
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List of ships of the Polish Navy
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Dolphin-class submarine
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Pakistan Navy
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Turkish Naval Forces
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Phosphoric acid fuel cell
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Explorer-class submarine
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Nuclear marine propulsion
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Collins-class submarine
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Diesel–electric powertrain
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Midget submarine
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List of U-boats of Germany
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Hellenic Navy
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Hellmuth Walter
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AIP
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Attack submarine
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Cuxhaven
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Type 212A submarine
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Monopropellant
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Narcís Monturiol
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Upholder/Victoria-class submarine
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Agosta-class submarine
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Battle of the Atlantic
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1885
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U-boat
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Submarine
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Pakistan Armed Forces
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Cryptonomicon
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CCD
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Air Independent Propulsion
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Air-Independent Propulsion
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