Naval Reactors History Database (nrhdb)
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1Title:  Infrastructure - Naval Nuclear Propulsion Program Add
 Summary:  This diagram describes the work of the Naval Nuclear Propulsion Program, a joint Department of Energy and Navy program. Naval Reactors is "responsible for design, development, operation, and disposal of Naval nuclear propulsion plants." The program's training includes Naval Nuclear Power School (theoretical training) and prototype training, which is currently conducted on board moored ships and at the Knolls Atomic Power Laboratory's Kesselring site. NR oversees the work performed by public and private shipyards and contractual relationships with hundreds of specialized vendors. It also works with two major laboratories, Bettis and Knolls. This chart underscores the complexity of NR and the fact that its available infrastructure is managed by a relatively small central organization. 
 Date:   unknown  
 Subject(s):  Naval Reactors 
 Type:  Image 
 Format:  GIF 
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2Title:  Reactor compartment package characteristics for several submarine and surface plants Add
 Summary:  This graphic shows reactor compartment package characteristics for some submarine and surface ship reactor plants. After decommmissioning, the reactor plant(s) in a submarine or ship are removed and packaged for storage at the Puget Sound Naval Shipyard. The compartments are then shipped to and stored at the Hanford Site in Washington state. The primary system components housed inside the reactor compartment include: the reactor pressure vessel, reactor shielding, main coolant pumps, pressurizer system, and steam generators. 
 Reference:  United States Department of the Navy. Draft environmental assessment on the disposal of decommissioned, defueled naval reactor plants from USS Enterprise (CVN-65). U.S. Department of the Navy, 2011, pages 2-2 - 2-5. 
 Date:   unknown  
 Subject(s):  Nuclear engineering | Naval Reactors 
 Type:  Image 
 Format:  GIF 
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3Title:  Simplified view of S8G naval nuclear propulsion plant Add
 Summary:  A simplified view of the S8G reactor used to power the Ohio-class Trident ballistic missile submarines. The S8G plant's two turbines provide 60,000 shp (thermal power, shaft horsepower), approaching twice the power produced by the S6G plant used to drive the Los Angeles-class attack submarines. Admiral Hyman Rickover, head of Naval Reactors when the Trident submarine was designed in the early 1970s, supported the 60,000 shp plant, which contributed to the submarine's large size (560 feet long, with a submerged displacement of 18,700 tons). 
 Reference:  Polmar, Norman, and Thomas B. Allen. Rickover: Controversy and Genius, a Biography. New York: Simon and Schuster, 1984, pages 564-578. 
 Date:   unknown  
 Subject(s):  S8G | Nuclear engineering | Naval Reactors 
 Type:  Image 
 Format:  GIF 
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4Title:  Shipyards in the United States that perform naval nuclear propulsion work, 2012 Add
 Summary:  Information on the nuclear-qualified shipyards that support the construction and maintenance of naval nuclear propulsion for the United States Navy. Links to Google Maps are provided for the six shipyard facilities. 
 Date:   2012 
 Subject(s):  Naval Reactors 
 Type:  Text 
 Format:  HTML 
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5Title:  Stern view of the USS Enterprise Add
 Summary:  Stern view of USS Enterprise (CVN-65), which is powered by eight A2W reactors and four propulsion plants/shafts. The Enterprise is shown during an ordnance onload in the Atlantic Ocean. 
 Date:  31 October 2003 
 Subject(s):  A2W | USS Enterprise (CVN-65) | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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6Title:  The USS Nautilus underway Add
 Summary:  The USS Nautilus underway. The world's first nuclear-powered submarine, the Nautilus was powered by an S2W reactor plant. The S2W design was guided by the lessons learned during the construction and early operation of the Mark I (or S1W) prototype at the Idaho National Laboratory. 
 Date:   1964 
 Subject(s):  S2W | USS Nautilus (SSN-571) | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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7Title:  USS Nimitz in drydock Add
 Summary:  The USS Nimitz in drydock at Puget Sound Naval Shipyard, Bremerton, Washington. Two of the Nimitz's four screws are shown. The Nimitz was the second nuclear-powered carrier to be commissioned by the United States Navy. Due primarily to cost concerns, there was more than a six year gap between the commissioning of the USS Enterprise, powered by eight A2W reactors, and the keel-laying of the Nimitz, which is powered by two A4W reactors. 
 Reference:  Hewlett, Richard G., and Francis Duncan. Nuclear Navy, 1946-1962. Chicago: University of Chicago Press, 1974, page 376. 
 Date:  20 December 2010 
 Subject(s):  A4W | USS Nimitz (CVN-68) | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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8Title:  S5G prototype during natural circulation reactor testing Add
 Summary:  The S5G (Narwhal prototype) plant at the Idaho National Laboratory. The S5G prototype and Narwhal plants used natural circulation in the primary loop to reduce plant noise, as an alternative to forced circulation of primary coolant using reactor coolant pumps. In this photo, the prototype plant is being floated in a tank in order to determine the effects of rolling and pitching on the reactor's operation. The S5G reator achieved initial criticality on 12 September 1965. S5G was used as a training and testing prototype by Naval Reactors until the mid-1990s 
 Reference:  Duncan, Francis. Rickover and the Nuclear Navy: The Discipline of Technology. Annapolis, Md: Naval Institute Press, 1990, pages 23-27. 
 Date:   unknown  
 Subject(s):  S5G | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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9Title:  The USS Thresher, lead boat in the Thresher class Add
 Summary:  The USS Thresher underway. The Thresher, the lead submarine in her class, was designed and built by the Portsmouth Naval Shipyard. This was a change from earlier practice; lead boats for earlier nuclear-powered sub classes were constructed by Electric Boat. The Thresher was lost at sea on 10 April 1963 with 129 crew members and civilian specialists on board. The precise reason for the submarine's loss was never determined. A court of inquiry found the most likely cause was a seawater leak in the engine room that started a chain of events that led to a loss of propulsion power. 
 Reference:  Rockwell, Theodore. The Rickover Effect: How One Man Made a Difference. Lincoln, NE: IUniverse, 2002, pages 315-320. 
 Date:  circa 1961 
 Subject(s):  S5W | USS Thresher (SSN-593) | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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10Title:  Containment structure built for the S1G prototype plant Add
 Summary:  The containment building built for the sodium-cooled, intermediate range S1G reactor plant in West Milton, New York. In January 1952, the Atomic Energy Commission's Reactor Safeguards Committee approved the construction of the S1G reactor at West Milton, provided the reactor was enclosed in a containment sphere. The 225 foot sphere, composed of one inch steel plates, was designed to contain any radioactivity release. After the sodium-cooled approach was abandoned by Naval Reactors, the S1G plant was decommissioned. The sphere was later used to house the D1G pressurized water reactor/prototype plant. 
 Reference:  Hewlett, Richard G., and Francis Duncan. Nuclear Navy, 1946-1962. Chicago: University of Chicago Press, 1974, pages 176-177. 
 Date:   unknown  
 Subject(s):  S1G | D1G | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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