How a Ghost Army Saved D-Day

During World War II, radio technology served as a critical instrument for both strategic military deception, such as the construction of fictional army groups through signals engineering, and as a clandestine lifeline for resistance movements.The airwaves became a primary front for psychological warfare, where official "white" broadcasts and deceptive "black" clandestine stations vied to control public narratives and erode enemy morale across occupied Europe.Beyond messaging, specialized radar beacons like Eureka-Rebecca facilitated secret supply drops, while the post-war transition to high-performance jet aircraft introduced significant new technical hurdles and safety risks for military aviators.