United States. Army. Signal Corps
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The Homing Pigeon
Unlock the secrets of raising and training pigeons for military service, where their natural instincts become vital assets in wartime communication.
By United States. Army. Signal Corps
Visual Signaling
** Discover how soldiers of the past used flags, sunlight, and lamps to send secret messages, ensuring vital communications on the battlefield when technology failed.
By United States. Army. Signal Corps