A Proposed Torpedo Countermeasure System
NAVAL RESEARCH LAB WASHINGTON DC
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The high-speed, straight-running, collision course torpedo presents a very difficult countermeasure problem. A proposal is made for a countermeasure system which may neutralize this threat. The system relies primarily upon a precision acoustic detection and tracking sonar to provide accurate fire-control information at short range. Disablement or countermining of the torpedo is achieved by a salvo of simple, lightweight, ballistic rockets fired to enter the water at a range of about 400 ft. Studies and trials have been undertaken to show the feasibility of a modified Puffs acoustic technique for torpedo detection and tracking. A brief comparison with some past developments having similar objectives shows that the pro posed system may overcome some of the disadvantages of previous experimental systems.