# Window Chaff **Entity class:** Technology **Research spine:** [[research/Chronology of Signals, Silos, and Sovereign Software - Research|Chronology of Signals, Silos, and Sovereign Software]] ## Definition Window was the British code name for chaff: metallic strips cut to radar-relevant lengths and released to generate large fields of false returns. ## Chronological Proximity Its operational debut in [[wiki/Operation Gomorrah|Operation Gomorrah]] in July 1943 coincided with airborne jamming and radar pathfinding. ## Relational Proximity Window attacked the perception layer of [[wiki/Würzburg Radar|Würzburg]] and other radars by forcing the defended system to see a synthetic target field. ## Collection Routes [[collections/The Civilian Intelligence Marketplace|The Civilian Intelligence Marketplace]] · [[collections/Terrorism, Counterterrorism, and the Intelligence Environment|Terrorism, Counterterrorism, and the Intelligence Environment]] · [[wiki/Signals, Silos, and Sovereign Software|Signals, Silos, and Sovereign Software]] ## Sources / Provenance - [[research/Chronology of Signals, Silos, and Sovereign Software - Research|Chronology of Signals, Silos, and Sovereign Software - Research]].