Exhibit by Steve Shay Frame 2, Page 14

A History of the Submarines Built at the Mare Island Naval Shipyard

USS Grayback LPSS-574, SS-574
Grayback class (No reported postmarks)
Commissioned May 9, 1969

Upper: Recommissioning cover, cachet artist unknown, shipyard hand stamp postmark.
Lower: Ship’s cachet and corner card, shore machine cancel postmarked one day before decommissioning date.

Converted to submarine transport, commissioned LPSS-574 May 9, 1969. Missile hanger modified to include decompression chamber for swimmer access. Length increased to 334′. Carried 67 troops and SEAL swimmer delivery vehicles. Participated in covert raids in Vietnam through 1972. Designation later changed to SS-574. Decommissioned January 16, 1984. Sunk as a target in the South China Sea 1986.

Intro    TOC    Synopsis    Frame 1   Frame 2    Frame 3

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