Naval Reactors History Database (nrhdb)
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41Title:  USS Skate in the arctic region Add
 Summary:  The USS Skate surfaces in the arctic region. The Skate was powered by the S3W reactor, a successor to the S1W/S2W plants that was built withoutthe construction of a prototype. She traveled under the North Pole in August 1958, just eight days after the Nautilus' historic polar crossing. The Skate was built with a strengthened sail structure and improved fathometer equipment (compared with Nautilus) in order to improve the sub's ability to operate in the polar region. In March 1959, she conducted winter polar operations and surfaced near the North Pole. 
 Reference:  Rockwell, Theodore. The Rickover Effect: How One Man Made a Difference. Lincoln, NE: IUniverse, 2002, pages 251-255. 
 Date:   1959 
 Subject(s):  S3W | USS Skate (SSN-578) | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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42Title:  The USS Seawolf underway Add
 Summary:  The USS Seawolf underway in 1977. During her early years of operations in the late 1950s, the Seawolf was powered by an S2G (sodium-cooled, intermediate range) reactor plant designed by General Electric. Because of difficulties in operating this plant and the demonstrated superiority of the pressurized water reactor (PWR) design, the Seawolf's sodium-cooled plant was removed and replaced with an S2W PWR plant at Electric Boat in 1958-60. 
 Reference:  Polmar, Norman. Atomic Submarines. London: Van Nostrand, 1963, pages 106-109. 
 Date:  18 October 1957 
 Subject(s):  S2G | USS Seawolf (SSN-575) | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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43Title:  Aerial view of the S1C prototype plant Add
 Summary:  An aerial view of the S1C prototype plant building. The S1C was the prototype for the Tullibee (SSN-597), a small (approximately 2,300 tons displacement) hunter-killer submarine. The plant was designed and constructed by Combustion Engineering and was located at the company's plant in Windsor, Connecticut. The plant's design was unique in that steam turbines powered an electric propulsion motor, as opposed to a set of reduction gears. 
 Reference:  Hewlett, Richard G., and Francis Duncan. Nuclear Navy, 1946-1962. Chicago: University of Chicago Press, 1974, pages 317 and 355. 
 Date:   1987 
 Subject(s):  S1C | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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44Title:  Launch of the NR-1 submersible research vehicle Add
 Summary:  The NR-1 nuclear submarine slides down the building ways at Electric Boat (division of General Dynamics). NR-1 was used as a deep sea exploration and recovery vehicle. 
 Date:  25 January 1969 
 Subject(s):  NR-1 | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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45Title:  NR-1 control and instrument panels Add
 Summary:  Interior of NR-1, showing the submarine's instrument and control panels. NR-1 was powered by a small, low-power pressurized water reactor. The submarine was capable of speeds of 3.5 knots per hour when submerged, and had forward and aft wheels, enabling her to work on the ocean floor. 
 Date:   unknown  
 Subject(s):  NR-1 | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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46Title:  USS Enterprise at Newport News shipyard Add
 Summary:  The USS Enterprise at Newport News, Virginia. The Enterprise is powered by eight nuclear reactors. Congress appropriated Enterprise in 1958; its construction cost was approximately 472 million dollars. High construction and operating costs for nuclear (relative to conventional) carriers led to a decade-long delay in the construction of additional nuclear-powered carriers. 
 Date:   1961 
 Subject(s):  A2W | USS Enterprise (CVN-65) | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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47Title:  S1W propulsion plant - view from the floor Add
 Summary:  View of the S1W prototype plant, looking aft to forward. The water tank on the right surrounded the reactor compartment. This design enabled Naval Reactors to assess the reflection of radiation from the core and primary system back into the hull. The cylindrical hull contained the engine rooms and a maneuvering room (the control room for the reactor and propulsion systems). The S1W plant achieved initial criticality on 30 March 1953. In June, the S1W plant successfully completed a 100 hour continuous run, illustrating that nuclear-powered submarines would revolutionize naval operations. 
 Reference:  Hewlett, Richard G., and Francis Duncan. Nuclear Navy, 1946-1962. Chicago: University of Chicago Press, 1974, pages 182-186. 
 Date:   unknown  
 Subject(s):  S1W | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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48Title:  USS Triton: Twin reactor submarine Add
 Summary:  The USS Triton during its sea trials in 1959. The Triton was driven by two S4G reactors and twin screws; the S4G's design was tested through the operation of the land-based S3G prototype. The S3G and S4G plants were the first pressurized water reactors designed and constructed by General Electric following the company's development of the sodium-cooled S1G and S2G reactors. 
 Reference:  Hewlett, Richard G., and Francis Duncan. Nuclear Navy, 1946-1962. Chicago: University of Chicago Press, 1974, pages 272-276. 
 Date:  27 September 1959 
 Subject(s):  S4G | USS Triton (SSRN-586) | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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49Title:  The USS Hartford underway following Persian Gulf collision Add
 Summary:  The USS Hartford, Los Angeles-class submarine, following a collision with the USS New Orleans (LPD-18) on 20 March 2009. The vessels were operating in the Strait of Hormuz at the time of the collision. The Hartford's propulsion plant was not damaged by the collision. 
 Date:  20 March 2009 
 Subject(s):  S6G | USS Hartford (SSN-768) | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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50Title:  Tracking chart for USS Triton's submerged circumnavigation Add
 Summary:  A tracking chart that shows the route of the USS Triton, the first submarine to complete a submerged circumnavigation of the Earth (from 24 February to 25 April 1960). One purpose of this mission was to perform psychological stress testing on crew members, in preparation for the extended patrols planned for Polaris ballistic missile submarines. 
 Reference:  Polmar, Norman. Atomic Submarines. London: Van Nostrand, 1963, pages 166-183. 
 Date:   1960 
 Subject(s):  S4G | USS Triton (SSRN-586) | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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