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Abstract

This invention proposes to make use of an already developed set of hardware which dispenses and controls the performance of towed decoys capable of defeating radar guided weapons. Using this same hardware, a new and unique payload, payload control and dispensing mechanism is inserted into a decoy towbody. The payload consists of foils and/or foil packs of a pyrophoric material. This material creates an infrared (IR) signature behind the decoy that is more attractive than the infrared plume emitted by the aircraft engine. The fact that the IR decoy is towed insures that it will be kinematically correct by flying the same profile as the aircraft so as to remain within the field of view of the missile's seeker. Because the pyrophoric material can be metered (dispensed at varying and controllable rates) its radiant intensity can be matched with that of the engine of the towing aircraft. As the burn characteristics of the selected pyrophoric material match the burn profile of hydrocarbon based jet fuels, the towed IR decoy also emits a plume that spectrally matches that of its host aircraft's engine.

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First Claim