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#submarine #stealth vessel #silent running #military submarine #covert ops #deep water boat

⚓U+1F6A3🎖️

#naval warfare #military submarine #u-boat #fleet #warship

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#military submarine #naval warfare #torpedo #hunter killer #attack submarine #silent service

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#kriegsmarine #german navy #submarine service #naval vessel #military submarine #WWII Navy

🎖️🛤️🧭

#military submarine #u-boat