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The original was posted on /r/todayilearned by /u/Mrk2d on 2025-06-06 10:31:32+00:00.

Original Title: TIL that during WWII, the U.S deployed the Ghost Army, which included a secret unit of designers, artists, and sound engineers who used inflatable tanks, fake radio transmissions, and sound effects to divert German forces from real troop movements