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NavSource Online: Amphibious Photo Archive
USS Big Horn River (LSMR-402)
USS LSM(R)-402 (1945 - 1955)
Awards, Citations and Campaign Ribbons
Precedence of awards is from left to right
Top Row - American Campaign Medal - Asiatic-Pacific Campaign Medal - World War II Victory Medal
LSM(R)-401 Class Landing Ship Medium (Rocket):
Laid down, 2 January 1945, at US Navy Yard, Charleston, S.C.
Launched, 22 January 1945
Commissioned USS LSM(R)-402, 16 April 1945, LT. W. B. McCown, Jr., USNR, in command
During World War II USS LSM(R)-402 was assigned to the Asiatic-Pacific Theater
Decommissioned, 16 January 1948, at San Diego, CA.
Laid up in the Pacific Reserve Fleet, San Diego Group
Named USS Big Horn River (LSMR-402), 1 October 1955
Struck from the Naval Register, 1 October 1958
Final Disposition, sold in 1960, to Pacific Towboat & Salvage Co., Long Beach, CA., converted to a barge, fate unknown
light 758 t.
attack 994 t.
fully loaded 1,084 t.
Length 203' 6" o.a.
Beam 34' 6"
Draft 7' 2' (lim)
Speed 12.6 kts.
one single 5"/38 dual purpose gun mount
two twin 40mm gun mounts
four twin 20mm gun mounts (after Korean War)
ten twin tube continuous loading 5" spin stabilizer rocket launchers (two removed after Korean War)
four 4".2 mortars (removed after Korean War)
two .50 cal machine guns on the forecastle
two .30 cal machine guns on the bridge wings.
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
Diesel 1,225 Bbls
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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For Full Size Image
||USS LSM(R)-402 underway, date and location unknown. Photo from the ship's Christmas card.
||Photo courtesy Don Schwermer USS LSM(R)-402 and Jim Tusing LSM-372,
Editor "Alligator Alley" The Newsletter
of the USS LSM - LSMR Association
||USS LSM(R)-402 underway, date and location unknown. Her launchers were capable of tossing 400 rounds a minute ashore.
||Joe Radigan MACM USN Ret. and USS LSM / LSMR Association
||USS LSM(R)-402 underway, date and location unknown.
Photo by Ted Stone.
|USS LSM / LSMR Association
USS LSM(R)-402 / USS Big Horn River (LSMR-402)
Dictionary of American Naval Fighting Ships (DANFS)
Crew Contact And Reunion Information
U.S. Navy Memorial Foundation - Navy Log
USS LSM-LSMR Association
Last Updated 20 June 2014
This page is created and maintained by Gary P. Priolo|