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Relation: subclass

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Warship4A Warship is a ship that is used for naval warfare.The main types of warships today are, in order...^
    Destroyer2In naval terminology, a Destroyer is a fast, maneuverable, long-endurance warship intended to esc...^
        GuidedMissileDestroyer1A GuidedMissileDestroyer (DDG) is a Destroyer whose primary armament is GuidedMissiles so the...^

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