The Shell That Crushed U-Boat Pressure Hulls Like Paper Tubes

Inside WW2 November 19, 2025
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Inside WW2 takes you beyond the frontlines to uncover the untold stories, hidden technologies and human experiences of the Second World War. Each episode blends cinematic storytelling with meticulous research, revealing shocking contrasts, secret weapons, and the psychological battles that shaped history. From soldiers’ diaries to forgotten logistics, from amphibious tanks to ice cream in POW camps, we show you the war as you’ve never seen it before through the eyes of those who lived it. If you’re fascinated by real history, rare archives and dramatic true events, subscribe and step Inside WW2 where every story changes the way you see the past.

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In May 1944, one destroyer escort did the impossible — sinking 5 enemy submarines in just 12 days. This is the story of the Hedgehog: the revolutionary anti-submarine weapon that crushed U-boat pressure hulls on contact, flooding them at 400 gallons per minute and turning the Battle of the Atlantic into a death trap for submarines. Discover how 24 spigot mortars firing 35-pound Torpex charges changed naval warfare forever. Learn the terrifying physics of pressure hull breaches at 200 feet depth, where temperatures inside submarines reached 300 degrees before catastrophic implosion. Witness the USS England's legendary patrol that destroyed Admiral Toyoda's entire submarine picket line — a record never matched in naval history. From Commander Goodeve's British innovation to Lieutenant Williamson's precision tactics, this is the untold story of the weapon that made Allied destroyers lethal and gave submarine hunters the edge they desperately needed. Every fact verified. Every number documented. This is history as it actually happened. #Hedgehog #WW2 #NavalWarfare #USSEngland #SubmarineWarfare #BattleOfTheAtlantic #PacificWar #MilitaryHistory #UBoat #WWII #NavalHistory #DestroyerEscort #AntiSubmarineWarfare #ImperialJapaneseNavy #Torpex #RoyalNavy #USNavy #WarHistory #DocumentaryHistory #SecretWeapons

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