Please report any broken links or trouble you might come across to the Webmaster. Please take a moment to let us know so that we can correct any problems and make your visit as enjoyable and as informative as possible.

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 Tonlé-Sap (A630)

Bullwheel Class Fuel Oil Barge (Self-propelled):
  • Built by RTC Shipbuilding Co., Camden, NJ (YN 141) 1
  • Launched, 07 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:
    European Campaign
    Campaign and Dates
    Invasion of southern France, 15 August to 25 September 1944

  • Placed out of service and transferred to France at Bizerte under terms of the Lend-Lease Act, 10 February 1945
  • Commissioned into the French Navy as RFS Lac Tonlé-Sap (P 08)
  • Returned on paper to US Navy and sold to France, 21 March 1949
  • Numbered A 630 in NATO scheme, 1952
  • Struck from the Naval Register, date unknown
  • Lac Tonle-Sap was assigned to Toulon, Cherbourg and Brest
  • Disarmed at Toulon, 01 January 1981
  • Condemned and redesignated Q 618, 11 August 1981
  • Final disposition, sunk as target off Toulon, 21 January 1989
    1. Subcontracted from Ira S. Bushey & Sons, Brooklyn, NY.
    Displacement 944 tons
    Length 235' 0"
    Beam 37'
    Draft 15'
    Speed 10 knots
    Cargo Capacity 10,000 gallons
    Complement unknown
    Armament three 20mm AA guns
    two Fairbanks-Morse 37E14 5-cylinder diesels,
    two shafts, 1150hp

    Click On Image
    For Full Size Image
    Size Image Description Source
    RFS Lac Tonlé-Sap (A630)
    44k RFS Lac Tonlé-Sap (A630), date and location unknown. Robert Hurst
    72k RFS Lac Tonlé-Sap (A630) moored pierside, 16 July 1963, at Ajaccio, France. Photo courtesy Serge Tilly
    38k RFS Lac Tonlé-Sap (A630) underway, date and location unknown. Robert Hurst
    94k Overhead view of RFS Lac Tonlé-Sap (A630) underway, date and location unknown. Courtesy Serge Tilly
    50k RFS Lac Tonlé-Sap (A630) underway, circa 1965, location unknown.
    Official French Navy photo
    Robert Hurst
    36k RFS Lac Tonlé-Sap (A630) moored pierside, date and location unknown.
    Photo from Marine Nationale
    Robert Hurst

    USS Pumper (YO-56)
    DANFS entry located at the Naval History and Heritage Command website
    Commanding Officers
    01LT William C. Stone, D-V(S) USNR28 December 1942 - (early 1943)
    02LT Earle Allen McCammond USN(March 1943) - (early 1944)
    03LT(jg) Roy Allen Woodliff USN 1(early 1944) - 10 February 1945
    1. Promoted to Lieutenant, late 1943.
    Courtesy Dave Wright

    Crew Contact And Reunion Information
    U.S. Navy Memorial Foundation - Navy Log

    Additional Resources and Web Sites of Interest
    RFS Lac Tonlé-Sap (A630)
    Back To The Navsource Photo Archives Main Page Back To The Yard and District Craft Photo Index Back To The Fuel Oil Barge (Self-propelled) Photo Index
    Comments, Suggestions, E-mail Webmaster.
    This page was created by Gary P. Priolo and is maintained by David L. Wright
    All pages copyright NavSource Naval History
    Last Updated 09 December 2022