How British Spies Secretly Poisoned 23 U-Boats—Their Engines Stopped Far from Home
British spies didn't sink these U-boats with torpedoes or depth charges — they poisoned their oil. A tiny tin of contaminated lubricant, slipped into French port supply chains by SOE agents and resistance members risking their lives, was enough to stop a 750-ton submarine dead in the middle of the Atlantic. No explosion. No warning. Just silence, seized engines, and a crew with no idea why their boat was dying beneath them. This is one of the most quietly brilliant acts of sabotage in the entire Second World War — and almost nobody has heard of it. #WW2 #SecretWarfare #UBoat #BattleOfTheAtlantic #SOE #SpecialOperations #WW2History #NavalHistory #BritishIntelligence #Sabotage #SecondWorldWar #HiddenHistory #Submarines #Kriegsmarine #WarHistory
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