The Fleet Rehabilitation and Modernization program of the United States Navy extended the lives of World War II-era destroyers by shifting their mission from a surface attack role to that of a submari
USS George K. MacKenzie, after her FRAM I conversion.
Sarsfield (top) as delivered and Rowan (bottom) after FRAM I.
Nicholas, a Fletcher-class destroyer, after her FRAM II upgrade.
Bryce Canyon with FRAM II-modernised Lyman K. Swenson, Collett and Blue. Shelton, closest to camera, received FRAM I (note the ASROC launcher on the mid-deck).
Ship Characteristics Board
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The Ship Characteristics Board was a unit of the United States Navy.
Fleet Rehabilitation and Modernization
…decommissioned and stricken 1 October 1983 and expended as a target 14 July 1999. The Essex-class aircraft carriers modified for ASW service received the SCB 144 upgrade in 1960–1964 as part of the FRAM II program. They received a bow-mounted AN/SQS-23 sonar, as well as improved displays in the Combat Information…
Project SCB 1 result: the USS Norfolk (CLK-1/DL-1)
Thresher, the first result of project SCB 188, at sea on 24 July 1961