Defensive aids system

A defensive aide suite (DAS) is a military aircraft system which defends it from attack by surface-to-air missiles, air-to-air missiles and guided anti-aircraft artillery.

A DAS typically comprises chaff, flares, and electronic countermeasures combined with radar warning receivers to detect threats.

On some modern aircraft (Lockheed Martin F-35 Lightning II), the entire system is integrated and computer-controlled, allowing an aircraft to autonomously detect, classify and act in an optimal manner against a potential threat to its safety.

A Defensive Aid Suite (DAS) system can be used in conjunction with the NGVA architecture in combat vehicles as well.

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