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During the balance of October 1958 the USS SARGO (SSN 583) conducted refresher training. While underway she fired four warshot MK-14-5 torpedoes, sinking the damaged USS CHITTENDEN COUNTY (LST 561).

This picture of LST 651 was taken during the summer of 1955 while on a trip to the Arctic.

Leo Miller, MMC(SS) aboard for the exercise, provided the following six periscope shots of the torpedo firing and the sinking of the CHITTENDEN COUNTY (LST 561) on 21 Oct 1958:

Follow this link to the 15 May 1959 edition of the Mare Island Grape Vine

Courtesy Vallejo Naval and Historical Museum via Darryl Baker

Periscope photos of the USS SARGO (SSN 583) sinking the ex-Chittenden (LST 561) on 21 Oct 1958. [U.S. Navy Photo]