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CONTRALTO acoustic countermeasure system

Country of Origin: France

CONTRALTO is a torpedo countermeasure developed for the French navy. It is part of an overall system consisting of the REALTO (recepteur d'alerte torpille) beam-forming/analysis processor, fed by an ALTO towed warning array as well as other ship-based arrays.

The CONTRALTO employs three subsystems: reaction, which calculates and suggests optimum evasive maneuvers and deploys countermeasures; deployment (for use by submarines), which uses self-contained high-pressure air tubes;...

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