CHAFF

Radar Glossary

Radar — Chaff

Information on Chaff

Chaff refers to large quantities of passive reflecting material deployed in the atmosphere to counter or confuse enemy radar. Chaff was (almost) simultaneously introduced during World War II (1943) by the Germans and the British. The British called their version of chaff window.
     In terms of functionality, chaff is capable of providing a form of camouflage from the radar system. Chaff can be deployed extensively and cooperatively by a number of platforms to produce a cloud through which the radar cannot penetrate. Some radar systems are confused by clouds of chaff whilst others sense the chaff clouds as false targets.

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