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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Removed from MSC control, withdrawn from the RRF by reassignment to the National Defense Reserve Fleet, 28 July 2006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

Click On Image For Full Size Image	Size	Image Description	Source
Commercial Service
	338k	American Mail Lines SS Japan Mail working cargo at Yokohama, Japan in November 1973.	Photo by Gerhard Mueller-Debus
	83k	American Mail Lines SS Japan Mail underway, date and location unknown.	Richard Miller BMCS USNR Ret.
SS Diamond State (ACS-7) MARAD RRF
	76k	*SS Diamond State* (ACS-7)** underway, date and location unknown. MARAD photo	Maritime Administration web site
	148k	*SS Diamond State* (ACS-7)** underway, date and location unknown. MARAD photo	Maritime Administration web site
	44k	*SS Diamond State* (ACS-7)** underway, date and location unknown. MARAD photo	Maritime Administration web site
	83k	*SS Diamond State* (ACS-7)** underway at San Francisco, CA., date unknown. MARAD photo	Maritime Administration web site
	1434k	*SS Diamond State* (ACS-7) moored inboard of SS Ecquity State (ACS-8)** at New Orleans, LA., March 1990.	Photo ©Richard Leonhardt
	156k	*SS Diamond State* (ACS-7)** underway, New Waterway, Rotterdam, 6 August 1991. Photo by Rick Garcia	Chris Howell
	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

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This page is created and maintained by Gary P. Priolo

Last Updated 28 September 2012