Navajo code talkers developed a battle code based on their language that was never broken by enemy forces. Unlike machine-encrypted codes (like the German Enigma which WAS broken), the Navajo code was based on an unwritten language with only about 30…
Spanish citizen Juan Pujol Garcia managed to convince the Germans he was a fanatical Nazi, then convinced the British he was a valuable spy, then played BOTH sides simultaneously. He created a fictional network of 27 sub-agents that didn't exist, fab…
Before D-Day, the Allies created an entirely fictional army group — FUSAG (First United States Army Group) — supposedly commanded by General George Patton and stationed in southeast England. They built a completely fake staging area with inflatable t…