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: Amphibious Photo Archive

USS Pentheus (ARL-20)
USS LST-1115 (1944 - 1945)

International Radio Call Sign:
November - Bravo - Foxtrot - Victor
Awards, Citations and Campaign Ribbons

Precedence of awards is from top to bottom, left to right
Top Row - American Campaign Medal
Bottom Row - Asiatic-Pacific Campaign Medal - World War II Victory Medal - Philippines Liberation Medal

Achelous Class Landing Craft Repair Ship:
  • Laid down as LST-1115, 29 September 1944, at Chicago Bridge and Iron Works, Seneca IL.
  • Launched, 22 December 1944
  • Placed in reduced commission, 4 January 1945, as USS LST-1115 for transit to her conversion yard at Baltimore, MD.
  • Decommissioned, 6 February 1945, at Baltimore, MD., for conversion to a Landing Craft Repair Ship (ARL)
  • Re-commissioned USS Pentheus (ARL-20), 7 June 1945, LT. Mason E. Brock, USNR in command
  • During World War II USS Pentheus was assigned to the Asiatic-Pacific Theater
  • Decommissioned, 20 April 1946, at Green Cove Spring, FL.
  • Assigned to the Atlantic Reserve Fleet at Green Cove Spring
  • Struck from the Naval Register, 1 January 1960
  • Sold, 13 June 1960 to Ships Inc., of Florida
  • Final Disposition, fate unknown
    Displacement 3,900 t.(lt) 4,100 t.(fl)
    Length 328'
    Beam 50'
    Draft 11' 2" (lim)
    Speed 11.6 kts.
    Largest Boom Capacity 60 t.
    Officers 22
    Enlisted 233
    one single 3"/50 cal. dual purpose gun mount
    two quad 40mm AA gun mounts w/Mk. 51 directors
    six twin 20 mm AA gun mounts
    Fuel Capacity
    Diesel 4,715 Bbls
    two General Motors 12-567A Diesel engines
    single Falk Main Reduction Gears
    Ship's Service Generators
    three Diesel-drive 100Kw 120V/240V D.C.
    two Diesel-drive 100Kw 450V A.C.
    two propellers, 1,800shp
    twin rudders

    Click On Image
    For Full Size Image
    Size Image Description Contributed
    Pentheus50k USS Pentheus (ARL-20) off-loading pontoons that she had taken on at Providence R.I. on completion of her voyage to Subic Bay, P.I. in October 1945.
    US Navy photo
    Maynard L. Johnson MoMM/3 USS Pentheus

    USS Pentheus (ARL-20)
    Dictionary of American Naval Fighting Ships (DANFS)
    Commanding Officers
    01LT. Brock, Mason Edward, USNR4 January 1945 - 6 February 1945
     Decommissioned6 February 1945 - 7 June 1945
    01LT. Brock, Mason Edward, USNR6 February 1945 - 20 April 1946
    Courtesy Wolfgang Hechler and Ron Reeves

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

    Back To the Navsource Photo Archives Main Page Back To The Amphibious Ship Type Index Back To the Service Force Ship Type Index Back To The Landing Ship Tank (LST) Photo Index Back To The Landing Craft Repair Ship (ARL) Photo Index
    Comments, Suggestions, E-mail Webmaster.
    This page is created and maintained by Gary P. Priolo
    All pages copyright NavSource Naval History
    Last Updated 20 January 2017