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RR-l85/AL Chaff Countermeasure

An experimental unit, RR-185/AL, was developed to replace the cardboard containers of non-pyrotechnic chaff with a plastic box split along the longitudinal edge. It would be held together with metal clips that would be removed as the unit leaves the aircraft. Plastic is being substituted for paper to avoid problems of moisture absorption when the containers are stored for long periods. When taken to high altitudes or in cold ambient conditions, the moisture in paper containers freezes, and the boxes will not open. The aluminum foil laminated paper boxes and their polystyrene support pieces would be replaced by plastic boxes in the RR-185/AL model. The metal clips would be added to the debris. RR-ZZZ is a version of RR-185 produced specifically for use in Desert Storm, with dipole lengths for radar used in that operation.






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