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NavSource Online: Mine Warfare Vessel Photo Archive
Center and right patch contributed by Mike Smolinski

Implicit (MSO 455)
ex-AM-455



Call sign:
November - India - Juliet - India


Implicit served the Navies of the United States and the Republic of China.
Aggressive Class Minesweeper: Laid down, 29 October 1952 at Wilmington Boat Works, Wilmington, CA; Launched, 1 August 1953; Commissioned USS Implicit (AM-455), 10 March 1954; Redesignated as an Ocean Minesweeper, MSO-455, 7 February 1955; Decommissioned, 30 September 1994 and sold to Taiwan the same day under the Security Assistance Program; Renamed Yung Yang (M 1306); Struck from the Navy Register 20 November 1994.
Fate unknown.

Specifications: Displacement 775 t; Length 172'; Beam 35'; Draft 12'; Speed 14 kts; Complement 78; Armament, as built, one single 40mm gun mount, two .50 cal. machine guns, final configuration, bow gun replaced by one twin 20mm gun mount, two .50 cal. machine guns remain; Propulsion, four Packard ID1700 diesel engines, replaced by four Waukasha Motors Co. diesels, controllable pitch propellers, two shafts.

Click on thumbnail
for full size image		 Size Image Description Source
USS Implicit (MSO 455)
Implicit 40k - USS Implicit
Web Site
Rick Szpyrka
Implicit 72k - USS Implicit
Web Site
Rick Szpyrka
Implicit 126k U.S. Navy photo Tom Langford
Implicit 184k U.S. Navy photo Wendell Royce McLaughlin, Jr.
Implicit 184k U.S. Navy photo David Buell
Esteem 130k c. 1978
Pier 90, Seattle, WA
USS Esteem (MSO 438), USS Conquest (MSO 488), Implicit, USS Higbee (DD 806), USS Mckean (DD 784) and inboard of the DD's is USS Hector (AR 7).		 Dave Hood, GMT2
Implicit 141k U.S. Navy photo from March 1984 edition of All Hands magazine Joe Radigan
Yung Yang (M 1306)
Implicit 55k . Chinese Navy
View the Implicit (MSO 455)
DANFS History entry located on the Haze Gray & Underway Web Site.
Crew Contact And Reunion Information
Navy MSO Association Email Addresses
Additional Resources and Web Sites of Interest
USS Implicit (MSO-455)
102 Minesweepers (MSO) Oceangoing Minesweepers
Naval Minewarfare Association
Association of Minemen
Navy MSO Association
Back To The Main Photo Index Back To the Mine Warfare Ship Photo Index Back to the Ocean Minesweeper (MSO) Photo Index
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This page created by Gary P. Priolo and maintained by Joe Radigan
© 2006 Gary P. Priolo © 1996 - 2006 NavSource Naval History. All Rights Reserved.