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Undersea Surveillance: Navy Continues to Build Ships Designed for Soviet Threat

NSIAD-93-53 Published: Dec 03, 1992. Publicly Released: Dec 03, 1992.
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Highlights

GAO reviewed: (1) how the threat of enemy submarines changed after the collapse of the Soviet Union; and (2) what changes the Navy proposed regarding its Surveillance Towed Array Sensor System (SURTASS) program.

Recommendations

Recommendations for Executive Action

Agency Affected Recommendation Status
Department of the Navy The Secretary of the Navy should postpone the Navy's decision on whether to build Small Waterplane Area Twin Hull (SWATH) ship T-AGOS-24 until the test results of low frequency active operational performance and SWATH operational design are fully evaluated.
Closed – Implemented
Congress transferred funds for the T-AGOS-24 ship to other Navy shipbuilding programs.
Department of the Navy The Secretary of the Navy should reevaluate plans to buy T-AGOS-25 through -27 SWATH ships--an estimated $525 million to construct--until the submarine threat is better defined, the system requirements to counter the threat are documented and approved, and the contribution of alternative submarine detection systems under development is analyzed.
Closed – Implemented
Navy shipbuilding plans show T-AGOS-24 and T-AGOS-25 to be built in future years. Since the end of the Cold War the Navy has redefined its mission and decided not to build the ships in question.

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Topics

Antisubmarine warfareDefense contingency planningElectronic surveillanceMilitary materielMilitary vesselsNuclear powered submarinesRadar equipmentMilitary forcesSubmarinesShips