Word: diverts
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Dates: during 1990-1999
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...standard defense against a heat-seeking missile is to divert it with another heat source, typically a flare that emits a broad range of infrared radiation. The missile, drawn by the heat of the flare, follows it and not the plane. But modern SAMs are equipped with filters that can cancel out radiation from a simple flare. Air Force One is believed to carry flares that burn brighter and longer in the infrared frequencies that the SAMs' sensors follow...
...heat seekers. Air Force One must also be protected against radar-directed air-to-air missiles, like the French-built R-530s that Colombian air force jets are known to carry. These rockets spot their prey with radar beams and follow the echoes toward the target. One way to divert a missile flying along a radar beam is to fire off a burst of metallic chaff particles. They cause the missile's radar guidance system to go haywire amid a blizzard of electronic gibberish...