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NavSource Online: Amphibious Photo Archive
USS John Day River (LSMR-511)
USS LSM(R)-511 (1945 - 1955)
Awards, Citations and Campaign Ribbons
Precedence of awards is from left to right
American Campaign Medal - Asiatic-Pacific Campaign Medal - World War II Victory Medal
LSM(R) 501 Class Landing Ship Medium (Rocket):
Laid down, 7 April 1945, at Brown Ship Building Co., Houston, TX.
Launched, 5 May 1945
Commissioned USS LSM(R)-511, 3 July 1945, LT Ralph L Clifford, USN in command
During World War II USS LSM(R)-511 was assigned to the Asiatic-Pacific Theater:
LSM(R) Flotilla Eighteen, CAPT. C. F. Macklin USN
LSM(R) Group Forty-Three
LSM(R) Division One Hundred Six
Decommissioned, 21 May 1947, at Green Cove Springs, FL.
Laid up in the Atlantic Reserve Fleet, Florida Group, Green Cove Springs
Named USS John Day River LSM(R)-511, 1 October 1955
Struck from the Naval Register, 1 February 1960
Final Disposition, sold to Atlas Iron and Metal Corp., Cleveland OH., 5 July 1960, for scrapping
Displacement 758 t.(light), 993 t. (attack) 1,175 t. (fully loaded)
Length 206' 3"
Beam 34' 6"
Draft light, 5' 4" (mean), attack 6' 9" (mean), fully loaded 7' 9" (mean)
Speed 13 kts.
Complement 6 officers, 137 enlisted
Armamentone single 5"/38 dual purpose gun mount
two twin 40mm AA gun mounts
four twin 20mm AA gun mounts
ten twin continuous loading 5" SS rocket launchers
four 4.2" mortars
Armor 10-lb. STS on conning station, pilot-house, radio room, radar plot, and rocket control, 10-lb. ASPP around 40 and 20mm gun mounts and directors
Endurance 3,000 miles @ 13kts
two General Motors 16-287A (non-reversing with airflex clutch) Diesel engines, direct drive with 1,440 BHP each @ 720rpm
Ship's Service Generators
four Diesel-drive 100Kw 450V A.C.
two Diesel-drive 20Kw 120V D.C.
twin screws 2,800 shp
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||USS LSM(R)-511 moored pierside, date and location unknown.
||USS LSM / LSMR Association
USS LSM(R)-511 / USS John Day River (LSMR-511_
Dictionary of American Navy Fighting Ships (DANFS)
Crew Contact And Reunion Information
U.S. Navy Memorial Foundation - Navy Log
USS LSM-LSMR Association
Last Updated 16 April 2004
This page is created and maintained by Gary P. Priolo|