SS Gem State

---

title: "SS Gem State" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["ships-built-in-san-diego", "1965-ships", "keystone-state-class-crane-ships"] description: "Crane ship in Ready Reserve for the United States Navy" topic_path: "general/ships-built-in-san-diego" source: "https://en.wikipedia.org/wiki/SS_Gem_State" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Crane ship in Ready Reserve for the United States Navy ::

::data[format=table title="Infobox ship"]

Field	Value
section1	{{Infobox ship/image
image	Gem State. Alameda. (25497572357).jpg
image_caption	SS Gem State (T-ACS-2)
section2	{{Infobox ship/career
country	United States
flag
name	SS Gem State (T-ACS-2)
builder	National Steel and Shipbuilding, San Diego, CA
laid_down	10 February 1965
launched	30 May 1965
acquired	7 May 1984
homeport	Alameda, CA
identification	*
status	In ready reserve since 1984. Five days needed to activate.
notes	Launched as SS President Monroe
section3	{{Infobox ship/characteristics
class
displacement	31,500 tons
length	668 ft
beam	76 ft
draft	33 ft
propulsion	two boilers, two steam turbines, single propeller, 17,500shp
speed	17 kn
capacity	300+ Cargo Containers
complement	Full Operational Status: 37 civilian mariners
armament	None
aircraft_facilities	None
::

|section1={{Infobox ship/image |image=Gem State. Alameda. (25497572357).jpg |image_caption=SS Gem State (T-ACS-2)

|section2={{Infobox ship/career |hide_header= |country=United States |flag= |name=SS Gem State (T-ACS-2) |builder=National Steel and Shipbuilding, San Diego, CA |laid_down=10 February 1965 |launched=30 May 1965 |acquired=7 May 1984 |commissioned= |decommissioned= |homeport=Alameda, CA |identification=*

• Callsign: WLDK |in_service= |out_of_service= |struck= |reinstated= |honors= |fate= |status=In ready reserve since 1984. Five days needed to activate. |notes=Launched as SS President Monroe

|section3={{Infobox ship/characteristics |hide_header= |header_caption= |class= |displacement=31,500 tons |length=668 ft |beam=76 ft |draft=33 ft |propulsion=two boilers, two steam turbines, single propeller, 17,500shp |speed=17 kn |capacity=300+ Cargo Containers |complement=Full Operational Status: 37 civilian mariners Reduced Operational Status: 10 civilian mariners |armament=None |aircraft_facilities=None |notes=

SS Gem State (T-ACS-2) is a crane ship in Ready Reserve for the United States Navy. The ship was named for the state of Idaho, which is also known as the Gem State.

History

Gem State was laid down on 30 May 1965, as a combination breakbulk-container ship, **SS *President Monroe''''', ON 501712, IMO 6520911, a Maritime Administration type (C6-S-1qa) hull, under MARAD contract (MA 165). Built by National Steel and Shipbuilding Company, San Diego, CA, hull no. 340, she was launched on 10 February 1965 and delivered to MARAD on 25 April 1966, 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 1984–1985 she was converted to a type (C6-S-MA1qd) Crane Ship by Continental Marine, San Francisco, CA. She was placed in service as **SS Gem State (ACS-2)''' 7 May 1984, assigned to the Military Sealift Command (MSC) Ready Reserve Force, (RRF). *Gem State'' is one of 10 Crane Ships in the Surge Force and is berthed at Ready Reserve Fleet Alameda, assigned to Maritime Prepositioning Ship Squadron Three and is maintained in a five-day readiness status (ROS 5).

References

Notes

Bibliography

Online

References

1. Polmar 2005 p. 308

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::