During WWII, Allied codebreakers at Bletchley Park, led by Alan Turing, cracked Germany's Enigma machine ciphers using early computers like the Bombe. This Ultra intelligence revealed U-boat positions, troop movements, and battle plans, shortening the war by years and saving millions of lives—key to victories like D-Day and the Battle of the Atlantic. #wwii #intelligence #epichistory | Epic History TV