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NavSource Online: Service Ship Photo Archive

SS Diamond State (ACS-7)


Keystone State Class Crane Ship):
  • Laid down, 22 November 1960, as the container ship, SS Japan Mail, a Maritime Administration type (C6-S-1aq) hull, under Maritime Administration contract (MA 87) at Todd Shipbuilding, Los Angeles, CA.
  • Launched, 8 August 1961
  • Delivered to the Maritime Administration, 19 April 1962
  • Renamed SS President Truman, date unknown
  • Converted to a Crane Ship, date and place unknown
  • Assigned by the Maritime Administration to the Ready Reserve Force, (RRF), under operation control of the Military Sealift Command (MSC)
  • Placed in service as SS Diamond State (ACS-7), 22 February 1989
  • SS Diamond State (ACS-7) is one the 10 Crane Ships in the Surge Force
  • SS Diamond State was berthed at New Orleans, LA. and assigned to Maritime Prepositioning Ship Squadron Three and was maintained in a five-day readiness status (ROS 5)
  • Removed from MSC control, withdrawn from the RRF by reassignment to the National Defense Reserve Fleet, 28 July 2006
    Specifications:
    Displacement 13,999 t.(lt) 31,500 t.(fl)
    Length 669'
    Beam 76'
    Draft 33'
    Speed 17 kts.
    Complement 89 civilian mariners
    Cargo Capacity 300+ standard containers
    Cranes six 30 ton capacity cranes
    Armament none
    Propulsion
    two Combustion Engineering boilers
    two General Electric geared turbines
    single propeller, 10,747shp
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    Size Image Description Source
    Commercial Service
    Diamond State 338k American Mail Lines SS Japan Mail working cargo at Yokohama, Japan in November 1973. Photo by Gerhard Mueller-Debus
    Diamond State 83k American Mail Lines SS Japan Mail underway, date and location unknown. Richard Miller BMCS USNR Ret.
    SS Diamond State (ACS-7) MARAD RRF
    Diamond State 76k SS Diamond State (ACS-7) underway, date and location unknown.
    MARAD photo
    Maritime Administration web site
    Diamond State 148k SS Diamond State (ACS-7) underway, date and location unknown.
    MARAD photo
    Maritime Administration web site
    Diamond State 44k SS Diamond State (ACS-7) underway, date and location unknown.
    MARAD photo
    Maritime Administration web site
    Diamond State 83k SS Diamond State (ACS-7) underway at San Francisco, CA., date unknown.
    MARAD photo
    Maritime Administration web site
    Equality State 1434k SS Diamond State (ACS-7) moored inboard of SS Ecquity State (ACS-8) at New Orleans, LA., March 1990. Photo ©Richard Leonhardt
    Diamond State 156k SS Diamond State (ACS-7) underway, New Waterway, Rotterdam, 6 August 1991.
    Photo by Rick Garcia
    Chris Howell
    Diamond State 67k SS Diamond State (ACS-7) in the Bay of Gibraltar,16 October 1995. Photo by Daniel Ferro

    There is no DANFS history available for SS Diamond State (ACS-7) at NavSource
    Additional Resources and Web Sites of Interest
    US Navy Fact File - Auxiliary Crane Ships - ACS
    Back To The Main Photo Index Back To The Service Force Ship Type Index Back To The Crane Ship (ACS) Photo Index
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    This page is created and maintained by Gary P. Priolo
    All pages copyright NavSource Naval History
    Last Updated 28 September 2012