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SS Grand Canyon State (T-ACS-3)

Grand Canyon State.jpg
Grand Canyon State
United States
Name: SS Grand Canyon State
Builder: National Steel and Shipbuilding, San Diego, CA
Laid down: 20 March 1964
Launched: 23 January 1965
Acquired: 4 November 1965
In service: 4 March 1965
Homeport: Alameda, CA
Status: In ready reserve since 1986.
Notes: Launched as SS President Polk
General characteristics
Class and 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 boilers, two steam turbines, single propeller, 17,500shp
Speed: 17 kn (20 mph; 31 km/h)
Capacity: 300+ Cargo Containers

Full Operational Status: 37 civilian mariners

Reduced Operational Status: 10 civilian mariners
Time to activate: 5 days
Armament: None
Aviation facilities: None

SS Grand Canyon State (T-ACS-3) is a crane ship in ready reserve for the United States Navy. The ship was named for the state of Arizona, which is also known as the Grand Canyon State.


Grand Canyon State was laid down on 20 March 1964, as the combination breakbulk-container ship SS President Polk, ON 500484, IMO 6510899, a Maritime Administration type (C4-S-1aq) hull under MARAD contract (MA 164). Built by National Steel and Shipbuilding, San Diego, CA, hull no. 338, she was launched on 23 January 1965, and delivered to MARAD on 4 November 1965, for service with American President Lines. She was converted to a MARAD type (C6-S-1qc) container ship, in 1973, and continued to be operated by APL until delivered to the Maritime Administration in 1982 for lay up in the National Defense Reserve Fleet (NDRF). In 1985-1987 she was converted to a type (C6-S-MA1qd) Crane Ship by Dillingham Corporation, San Francisco, CA. She was placed in service as SS Grand Canyon State (ACS-3) 27 October 1987, assigned to the Military Sealift Command (MSC) Ready Reserve Force, (RRF).[1] The Grand Canyon State is assigned to the Maritime Propositioning Squadron Three and is maintained in a 5-day readiness status (ROS-5).[citation needed]



  1. ^ Polmar 2005 p. 308


  • Polmar, Norman (2005). The Naval Institute Guide to the Ships and Aircraft of the U.S. Fleet. Naval Institute Press. ISBN 1591146852.


External links