#naval_gun__navalgun  naval weaponry consisting of a large gun carried on a warship
  supertype:  naval_weaponry__navalweaponry  weaponry for warships
  subtype:  stern_chaser  a naval gun able to fire astern at a ship in chase
  part of:  warship__war_vessel__warvessel__combat_ship  a government ship that is available for waging war

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