USS X-1

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X-1
Career
Name: USS X-1
Builder: Fairchild Aircraft, East Farmingdale Long Island, New York
Laid down: 8 June 1954
Launched: 7 September 1955
Commissioned: (never commissioned)
In service: 7 October 1955
Out of service: 2 December 1957
In service: December 1960
Out of service: 16 February 1973
Fate: Museum ship
General characteristics
Type: Midget submarine
Displacement: 36.3 long tons (37 t) submerged
31.5 long tons (32 t) surfaced
Length: 49 ft 6 in (15.09 m)
Beam: 7 ft (2.1 m)
Draft: 6 ft 2 in (1.88 m)
Propulsion: Hydrogen peroxide/diesel engine and battery system
Converted to diesel-electric drive after May 1957
Complement: 10
Armament: None
X-1 Midget Submarine on display at the Submarine Force Library and Museum
The stern section of X-1

X-1 (or SS X-1)[1] was the United States Navy's only midget submarine (but see the NR-1 Deep Submergence Craft), laid down on 8 June 1954, at Deer Park, Long Island, New York, by the Engine Division of Fairchild Engine and Airplane Corporation, launched on 7 September 1955, at Oyster Bay, Long Island, by Jakobson Shipyard; delivered to the Navy on 6 October at New London, Connecticut, and placed in service on 7 October 1955, with Lieutenant Kevin Hanlon in command.

Service history[edit]

X-1 served in a research capacity in rigorous and extensive tests to assist the Navy to evaluate its ability to defend harbors against very small submarines. Further tests conducted with the X-1 helped to determine the offensive capabilities and limitations of this type of submersible.[2]

X-1 was originally powered by a hydrogen peroxide/diesel engine and battery system, but an explosion of her hydrogen peroxide supply on 20 May 1957 resulted in the craft's modification to accept a diesel-electric drive. On 2 December 1957, X-1 was taken out of service and deactivated at Philadelphia, Pennsylvania.

Towed to Annapolis, Maryland, in December 1960, X-1 was reactivated and attached to Submarine Squadron 6 and based at the Small Craft Facility of the Severn River Command for experimental duties in Chesapeake Bay. In tests conducted under the auspices of the Naval Research Laboratory, X-1 performed for scientists who observed her operations from a platform suspended beneath the Bay Bridge, to learn more about the properties and actions of sea water.

Remaining in an active, in-service, status through January 1973, X-1 was again taken out of service on 16 February 1973, and, on 26 April, was transferred to the Naval Ship Research and Development Center, Annapolis. On 9 July 1974, the submersible was slated for use as a historical exhibit; and she was subsequently placed on display on the grounds of the Naval Station complex, North Severn, near Annapolis. In 2001, X-1 was transferred to the Submarine Force Museum in Groton, Connecticut where it is on display in front of the main exhibit building.

References[edit]

  1. ^ "SS X-1". Historic Naval Ships Association. Retrieved 24 February 2014. 
  2. ^ "Navy Tests First Midget Submarine As Close In Weapon. Popular Mechanics, February 1956, p. 124, bottom of page.

External links[edit]