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NavSource Online: Mine Warfare Vessel Photo Archive

YMS-20

Call sign:
Nan - Able - Uncle - Item

YMS-20 served the Navies of the United States and France.

YMS-1 Class Auxiliary Motor Minesweeper:

Laid down 27 June 1941 as YMS-20 by the Greenport Basin and Construction Co., Long Island, NY

Launched, 1 November 1941

Completed, 18 April 1942

Transferred to France 20 October 1944 as Gentiane (D 327)

Sold to France, 21 March 1949

Struck from the Navy Register 28 April 1949

Reclassified D-08 and M-648

Decommissioned 11 August 1960

Fate unknown.

Specifications:

Displacement 270 t.
Length 136'
Beam 24' 6"
Draft 8'
Speed 15 kts.
Complement 32
Armament: One 3"/50 dual purpose gun mount, two 20mm, two dcp
Propulsion: Two 800bhp General Motors 8-268A diesel engines, Snow and Knobstedt single reduction gear, two shafts.

Click on thumbnail for full size image	Size	Image Description	Source
USS YMS-20
	100k	Photo courtesy of Leonard R. Bertolino LT,USNR-DE	Bill Gonyo
Gentiane (D 327)
	71k	Gentiane underway with a double Oropesa sweep streamed	Robert Hurst
	79k	7 April 1946	Joe Radigan

There is no DANFS history available for YMS-20

Additional Resources and Web Sites of Interest

Naval Minewarfare Association

Association of Minemen

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