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SS Diamond State (T-ACS-7)

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Title: SS Diamond State (T-ACS-7)  
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Language: English
Subject: List of auxiliaries of the United States Navy, USS Wakulla (ID-3147), SS Cape Jacob (T-AK-5029), UAM Creoula, MS Nordstjernen
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SS Diamond State (T-ACS-7)

SS Diamond State (T-ACS-7)
Career (United States)
Name: SS Diamond State (T-ACS-7)
Builder: Todd Shipbuilding, Los Angeles, CA
Laid down: 1961
Launched: 11 May 1961
Acquired: 1989
In service: 4 March 1965
Out of service: 28 July 2006
Status: National Defense Reserve Fleet - Logistical Support
Notes: Launched as SS Japan Mail
General characteristics
Class & type: Keystone State-class crane ship
Displacement: 31,500 tons
Length: 668 ft 5 in (203.73 m)
Beam: 76 ft 1 in (23.19 m)
Draft: 33 ft 6 in (10.21 m)
Propulsion: two Combustion Engineering boilers two General Electric geared turbines single propeller, 10,747shp
Speed: 17 kn (20 mph; 31 km/h)
Capacity: 300+ Cargo Containers

Full Operational Status: 89 civilian mariners

Reduced Operational Status: 10 civilian mariners
Armament: None
Aviation facilities: None

SS Diamond State (T-ACS-7) was laid down on 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. She was launched on August 1961 and delivered to the Maritime Administration, 19 April 1962. She was renamed SS President Truman, date unknown and converted to a Crane Ship, date and place unknown. She was assigned by the Maritime Administration to the Ready Reserve Force, (RRF), under operation control of Military Sealift Command (MSC) and placed in service as SS Diamond State (ACS-7), 22 February 1989. Diamond State is one of 10 Crane Ships in the Surge Force and was berthed at Houston, TX. and assigned to Maritime Prepositioning Ship Squadron Three and was maintained in a five-day readiness status (ROS 5). She was removed from MSC control, withdrawn from the RRF by reassignment to the National Defense Reserve Fleet (Beaumont, TX) on 28 July 2006


  • SS Diamond State (T-ACS-7)
  • This article includes information collected from the Naval Vessel Register, which, as a U.S. government publication, is in the public domain. The entry can be found here.

External links

  • National Defense Reserve Fleet Inventory
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