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NavSource Online: Amphibious Photo Archive
Contributed by ENCS Jerry Patterson USN Ret. LCU-1624
Harbor Utility Craft - YFU-56
Landing Craft Utility - LCU-646 (1956 - 1966)
Landing Craft Ship - LSU-646 (1949 - 1956)
Landing Craft Tank - LCT(6)-646 (1944 - 1949)
International Radio Call Sign:
November - Juliet - Juliet - Victor
Awards, Citations and Campaign Ribbons
Precedence of awards is from top to bottom, left to right
Top Row - Combat Action Ribbon - Presidential Unit Citation - Navy Unit Commendation
Second Row - Navy Meritorious Unit Commendation - American Campaign Medal - Europe-Africa-Middle East Campaign Medal (1)
Third Row - World War II Victory Medal - National Defense Service Medal - Vietnam Service Medal (12)
Fourth Row - Republic of Vietnam Gallantry Cross Unit Citation - Republic of Vietnam Civil Actions Unit Citation - Vietnam Campaign Medal
YFU-56 was transferred to Cambodia
Landing Craft Tank (Mark 6) / YFU-1 Class Harbor Utility Craft:
Laid down, 4 January 1944, at Bison Shipbuilding Corp, North Tonawanda, N.Y.
Launched, 27 January 1944
Delivered, 30 January 1944
During World War II LCT(6)-646 was first assigned to the Europe-Africa-Middle East Theater and later to the Asiatic-Pacific Theater and participated
in the following campaigns:
While assigned to the Asiatic-Pacific Theater LCT(6)-646 came under the command of:
Europe-Africa-Middle East Campaign
|Campaign and Dates
||Campaign and Dates
|Invasion of Normandy, 6 to 25 June 1944
||Okinawa Gunto operation , 3 May to 30 June 1945
LCT Flotilla Twenty-Nine, LCDR E. D .Gasson USNR;
LCT Group Eighty-Five, LT. G. S. Renfield USNR
Redesignated Landing Craft Utility LSU-646 in 1949
Redesignated Landing Craft Utility LCU-646, 15 April 1956
Reclassified Harbor Utility Craft YFU-56, 1 March 1966
During the Vietnam War YFU-56 participated in the following campaigns:
YFU-56 saw service in Vietnam during the Vietnam War
Placed out of service (date unknown)
Final Disposition, loaned/leased to Cambodia, 1 June 1972
Vietnam War Campaigns
|Campaign and Dates
||Campaign and Dates
|Vietnamese Counteroffensive - Phase II
1 July 1966 to 31 May 1967
23 February to 8 June 1969
|Vietnamese Counteroffensive - Phase III
1 June 1967 to 29 January 1968
|Vietnam Summer-Fall 1969
9 June to 31 October 1969
30 January to 1 April 1968
|Vietnam Winter-Spring 1970
1 November 1969 to 30 April 1970
|Vietnamese Counteroffensive - Phase IV
2 April to 30 June 1968
1 May to 30 June 1970
|Vietnamese Counteroffensive - Phase V
1 July to 1 November 1968
|Vietnamese Counteroffensive - Phase VII
1 July 1970 to 30 June 1971
|Vietnamese Counteroffensive - Phase VI
2 November 1968 to 22 February 1969
1 July to 30 September 1971
LCT MK6 Specifications:
Displacement 143 to 160 t.(lt), 309 to 320 t.(fl)
Length 119' 1" (ovl.)
Beam 32' 8"
limiting 3' 9"
maximum navigation 5'
Speed 10 kts.
Range 700 nautical miles at 7 kts.
Cargo Capacity 150 short tons
two single 20mm AA gun mounts
four .50 cal. machine guns
gun shields 10lbs
Fuel Capacity Diesel 80 Bbls
three Grey Marine 6-71 Diesel engines
two Diesel-drive 10Kw 120V. D.C. Ships' Service Generators
three propellers, 675shp
|Click On Image
For Full Size Image
||USS LST-853 with LCT(6)-646 secured to her
main deck. LST-853 loaded LCT-646 at Seattle, WA. on 10 March 1945 and launched the LCT on 11 may 1945 at Okinawa.
US Naval History and Heritage Command photo # NM 84669 courtesy D. M. McPherson, 1976.
||YFU-56 underway off the coast of Chu La, South Vietnam, 1969.
||Tom Lanagan YFU-79
There is no DANFS history for LCT(6)-646 / YFU-56 available at NavSource
Crew Contact And Reunion Information Web Sites
U.S. Navy Memorial Foundation - Navy Log
Additional Resources and Web Sites of Interest
World War II LCT Flotillas
Last Updated 1 July 2016
This page is created and maintained by Gary P. Priolo|