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U.S.S. PERSISTENT

(MSO-491)

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USS PERSISTENT (MSO-491) - an Aggressive-class minesweeper

In Commission 1956 to 1971

MSO-491 Deployments - Major Events

Add a MSO-491 Shellback Initiation Add a MSO-491 Deployment - Major Event
Month Year to Month Year Deployment / Event
JUN 1954 - Keel Date: 17 JUN 1954
APR 1955 - Launch Date: 23 APR 1955
FEB 1956 - Commissioned: 3 FEB 1956
AUG 1957 - FEB 1958 West Pac
JAN 1962 - AUG 1962 West Pac-Viet Nam
SEP 1965 - AUG 1966 West Pac-Viet Nam
JAN 1967 - MAR 1968 West Pac-Viet Nam
MAY 1971 - JUL 1972 West Pac-Viet Nam
JUL 1971 - Decommissioned: 1 JUL 1971

MSO-491 General Specifications

Class: Aggressive-class minesweeper

Complement: 74 Officers and Enlisted

Displacement: 775 tons

Length: 172 feet

Beam: 36 feet

Draft: 10 feet

Final Disposition: Unknown



USS PERSISTENT (MSO-491)



Persistent (MSO-491) was laid down 17 June 1954 as AM491 by J. M. Martinac Shipbuilding Corp., Tacoma, Washington; reclassified MSO-491 on 7 February 1955; launched 23 April 1955; sponsored by Mrs. M.S. Erdahl; and commissioned 3 February 1956, Lt. Theodore R. Johnson in command.

Following Pacific coast shakedown, Persistent reported for duty to Commander, Pacific Fleet, 2 March 1956 and was designated flagship for Mine Division 91 the same day. In September 1956 she was modified for advanced sound reduction to protect against acoustic mines.

In August 1957 she deployed to WestPac as part of Mine Countermeasures Group, 7th Fleet. After return to Long Beach for regular overhaul in February 1958 and completion of type training that year, she engaged in research at the Navy Acoustic Range, Puget Sound, September 1959. Later that year she measured ocean currents under assignment to Scripps Institute of Oceanography.

After another deployment to WestPac in 1960, she returned to California in July. After type training in 1961, she deployed to WestPac in January 1962, assisting in the training of South Vietnamese sailors from January to August. After domestic operations in 1963, she deployed annually to WestPac from 1964 to 1968. Into 1970 she remained active with the Pacific Fleet.

[Note: The above USS PERSISTENT (MSO-491) history may, or may not, contain text provided by crew members of the USS PERSISTENT (MSO-491), or by other non-crew members, and text from the Dictionary of American Naval Fighting Ships]