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NavSource Online: Amphibious Photo Archive

Cohasset (IX-198)
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USS Cohasset (IX-198) (1944 - 1945)
USS LST-129 (1943 - 1944)


LST-129 International Radio Call Sign:
November - Delta - November - Xray
NDNX


Cohasset (IX-198) International Radio Call Sign:
November - Alpha - November - November
NANN
Awards, Citations and Campaign Ribbons

Precedence of awards is from left to right
American Campaign Medal - Asiatic-Pacific Campaign Medal (3) - World War II Victory Medal


LST-1 Class Tank Landing Ship:
  • Laid down, 1 July 1943, at Missouri Valley Bridge and Iron Co., Evansville, IN.
  • Launched, 8 September 1943
  • Commissioned USS LST-129, 23 October 1943, LT. Mortimer J. Prince, USNR. in command
  • During World War II, USS LST-129 was assigned to the Asiatic-Pacific Theater:
    LST Flotilla Thirteen, CAPT. J.G. Sampson USN (23);
    LST Group Thirty-Seven, CDR. R. D. Higgins USNR;
    LST Division Seventy-Four and participated in the following campaigns:

    Asiatic-Pacific Campaign
    Campaign and Dates Campaign and Dates
    Marianas operation
    Capture and occupation of Saipan, 15 June to 28 July 1944
    Western Caroline Islands operation
    Capture and occupation of southern Palau Islands, 6 September to 14 October 1944
    Capture and occupation of Tinian, 24 to 28 July 1944  

  • Redesignated and renamed Cohasset (IX-198), 5 December 1944;
  • Decommissioned, 20 January 1945
  • Final Disposition, destroyed as naval target, 16 May 1946
  • Struck from the Naval Register, 19 June 1946
  • USS LST-129 earned three battle stars for World War II service
    Specifications:
    Displacement
    1,625 t.(lt)
    4,080 t.(fl) (sea-going draft w/1675 ton load)
    2,366 t. (beaching displacement)
    Length 328' o.a.
    Beam 50'
    Draft
    light 2' 4" fwd, 7' 6" aft
    sea-going 8' 3" fwd, 14' 1" aft
    landing 3' 11" fwd, 9' 10" aft (landing w/500 ton load)
    limiting 11' 2"
    maximum navigation 14' 1"
    Speed 11.6 kts. (trial)
    Endurance 24,000 miles @ 9kts. while displacing 3960 tons
    Complement
    13 officers
    104 enlisted
    Troop Accommodations
    16 officers
    147 enlisted
    Boats 2 LCVP
    Cargo Capacity (varied with mission - payloads between 1600 and 1900 tons)
    Typical loads
    One Landing Craft Tank (LCT), tanks, wheeled and tracked vehicles, artillery, construction equipment and military supplies. A ramp or elevator forward allowed vehicles access to tank deck from main deck
    Additional capacity included sectional pontoons carried on each side of vessel amidships, to either build Rhino Barges or use as causeways. Married to the bow ramp, the causeways would enabled payloads to be delivered ashore from deeper water or where a beachhead would not allow the vessel to be grounded forward after ballasting
    Armament (varied with availability when each vessel was outfitted. Retro-fitting was accomplished throughout WWII. The ultimate armament design for United States vessels was
    2 - Twin 40MM gun mounts w/Mk. 51 directors
    4 - Single 40MM gun mounts
    12 single 20MM gun mounts
    Fuel Capacity
    Diesel 4,300 Bbls
    Propulsion
    two General Motors 12-567A, 900hp Diesel engines
    single Falk Main Reduction Gears
    three Diesel-drive 100Kw 230V D.C. Ship's Service Generators
    two propellers, 1,700shp
    twin rudders

    Click On Image
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    There are no images of USS LST-129 / Cohasset (IX-198) available at NavSource

    Commanding Officers
    01LT. Prince, Mortimer James, USNR23 October 1943 - 20 January 1945
    Courtesy Wolfgang Hechler and Ron Reeves


    For more photos and information about USS LST-129 / Cohasset (IX-198) see;
  • Dictionary of American Naval Fighting Ships (DANFS)
  • Western Caroline Islands Attack Landing Order
  • Beach White Peleliu - CTF 32 Operation Plan A501-44 Appendix 4 to Annex "D"
  • The USS LST Ship Memorial
  • LST Home Port
  • State LST Chapters
  • United States LST Association

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

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    This page is created by David W. Almond and maintained by Gary P. Priolo
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    Last Updated 2 May 2014