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NavSource Online: Service Ship Photo Archive
USS Pumper (YO-56)
International Radio Call Sign:
November - Bravo - Juliet - Zulu
Awards, Citations and Campaign Ribbons
Precedence of awards is from left to right
American Campaign Medal - Europe-Africa-Middle East Campaign Medal (1) - World War II Victory Medal
USS Pumper (YO-56) was transferred to France under the Lend-lease Act and renamed RFS Lac Tonle-Sap (A630)
YO-55 Class Fuel Oil Barge (Non-self-propelled):
Laid down, 25 March 1942, at RTC Shipbuilding Co., Camden, N.J., under a contract from Ira S. Bushby & Sons, Inc., Brooklyn, N.Y.
Launched, 7 September 1942
Delivered to the US Navy and commissioned USS Pumper (YO-56), 28 December 1942
Initially allocated to the 10th Naval District
During World War II USS Pumper was assigned to the Europe-Africa-Middle East Theater and participated in the following campaign:
|Campaign and Dates
|Invasion of southern France, 15 August to 25 September 1944
Placed out of service, 10 February 1945 and transferred to France under terms of the Lend-lease Act
Commissioned into the French Navy as RFS Lac Tonle-Sap (A630)
Struck from the Naval Register, date unknown
Lac Tonle-Sap was assigned to Toulon, Cherbourg and Brest
Disarmed at Toulon, 1 January 1981
Condemned, 11 August 1981, redesignated Q 618, sunk in the Mediterranean
Displacement 944 t.
Length 235' 0"
Speed 10 kts.
Cargo Capacity 10,000 gal.
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| RFS Lac Tonle-Sap (A630)
||Ex-USS Pumper (YO-56) underway while in French service as RFS Lac Tonle-Sap (A630), date and location unknown.
||RFS Lac Tonle-Sap (A630) moored pierside, 16 July 1963, at Ajaccio, France.
||Photo courtesy Serge Tilly
||RFS Lac Tonle-Sap (A630) underway, date and location unknown.
||Overhead view of RFS Lac Tonle-Sap (A630) underway, date and location unknown.
||Courtesy Serge Tilly
||RFS Lac Tonle-Sap (A630) underway, circa 1965, location unknown.
Official French Navy photo
||RFS Lac Tonle-Sap (A630) moored pierside, date and location unknown.
Photo from Marine Nationale
USS Pumper (YO-56)
DANFS entry located at the US Naval History and Heritage Command
Crew Contact And Reunion Information
U.S. Navy Memorial Foundation - Navy Log
Additional Resources and Web Sites of Interest
RFS Lac Tonle-Sap (A630)
Last Updated 29 July 2011
This page is created and maintained by Gary P. Priolo|