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USS CONQUEST (MSO-488) - an Aggressive-class minesweeper

In Commission 1955 to 1994

MSO-488 Deployments - Major Events

Add a MSO-488 Shellback Initiation Add a MSO-488 Deployment - Major Event
Month Year to Month Year Deployment / Event
MAR 1953 - Keel Date: 26 MAR 1953
at J. M. Martinac Shipbuilding Corp. Tacoma Washington
MAY 1954 - Launch Date: 20 MAY 1954
JUL 1955 - Commissioned: 8 JUL 1955
MAR 1957 - SEP 1957 West Pac
MAR 1961 - APR 1962 West Pac-Viet Nam
JAN 1963 - FEB 1964 West Pac-Viet Nam
AUG 1965 - APR 1966 West Pac-Viet Nam
AUG 1965 - APR 1966 West Pac
MAY 1967 - JAN 1968 West Pac
SEP 1968 - MAR 1969 West Pac-Viet Nam
MAY 1988 - JAN 1990 Operation Earnest Will
JUN 1994 - Decommissioned: 29 JUN 1994

MSO-488 General Specifications

Class: Aggressive-class minesweeper

Complement: 8 Officers and 70 Enlisted

Displacement: 775 tons

Length: 172 feet

Beam: 35 feet

Draft: 12 feet

Final Disposition: Sold to Taiwan 1 March 1995


The third Conquest (AM-488) was launched 20 May 1954 by Martinac Shipbuilding Corp. Tacoma Wash.; sponsored by Mrs. C. D. Henderson; reclassified MSO-488 7 February 1955; and commissioned 20 July 1955 Lieutenant E. L. Davis in command.

One of a new type of nonmagnetic minesweepers Conquest remained operating out of Long Beach on trials and training until 2 October 1956. She sailed to Acapulco Mexico for a good will visit from 10 to 14 October then returned to Long Beach to prepare for her first tour of duty in the Far East. Sailing 4 March 1957 Conquest visited Chinhae Korea; Kaohsuing Formosa for operations with the Navy of the Republic of China; Hong Kong British Crown Colony; and various ports in Japan before returning to Long Beach 13 September 1957 for overhaul. During 1958 she operated locally out of Long Beach and conducted a series of minesweeping exercises at Esquimalt Nootka Sound and Vancouver British Columbia from 6 October to 19 November. Between 17 August 1959 and 13 March 1960 she again served in the Far East returning to local operations through June 1960.

[Note: The above USS CONQUEST (MSO-488) history may or may not contain text provided by crew members of the USS CONQUEST (MSO-488) or by other non-crew members and text from the Dictionary of American Naval Fighting Ships]