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Nuclear Power School

Naval Nuclear Power Training Command
Nuclear Power School
File:NNPTC Goose Creek.JPG
Former names
Naval Nuclear Power School
Motto Knowledge, Integrity, Excellence
Established 1955
Type Military Technical School
Commanding Officer Capt. Jon Fahs, USN
Administrative staff
Students 2,500

Goose Creek, South Carolina, USA
32°57′57″N 79°58′04″W / 32.9659°N 79.9678°W / 32.9659; -79.9678Coordinates: 32°57′57″N 79°58′04″W / 32.9659°N 79.9678°W / 32.9659; -79.9678{{#coordinates:32.9659|-79.9678||||||| |primary |name=

Campus NNPTC on
Joint Base Charleston
Nickname Template:If empty

Nuclear Power School is a technical school operated by the U.S. Navy in Goose Creek, South Carolina to train enlisted sailors, officers, KAPL civilians and Bettis civilians for shipboard nuclear power plant operation and maintenance of surface ships and submarines in the U.S. nuclear navy. The United States Navy currently operates 95 total nuclear power plants including 71 submarines (each with one reactor), 10 aircraft carriers[1] (each with two reactors), and 4 training/research prototype plants.


File:NNPTC Logo.gif
Naval Nuclear Power Training Command Logo

Prospective enlisted enrollees in the Nuclear Power Program must have a qualifying score on the ASVAB exam, may need to pass a general science exam, and must undergo a NACLC investigation for attaining a "Secret" security clearance.

All officer students have had college-level courses in calculus and calculus-based physics. Acceptance to the officer program requires successful completion of interviews at Naval Reactors in Washington, D.C., and a final approval via a direct interview with the Director, Naval Nuclear Propulsion, a uniquely eight-year, four-star admiral position which was originally held by the program's founder, Admiral Hyman G. Rickover.

Women were allowed into the Naval Nuclear Field from 1978 until 1980, when the Navy began only allowing men again.[citation needed] With the repeal of the Combat Exclusion Law in the 1994 Defense Authorization Act, and the decision to open combatant ships to women, the Navy once again began accepting women into NNPS for duty aboard nuclear-powered surface combatant ships.[2] Female graduates of NNPS may serve at shore commands and on Nimitz Class aircraft carriers. Female officers may also serve aboard SSBN and SSGN submarines. The first female officers bound for submarines began training at NNPTC in late August 2010.[3]

Enlisted personnel graduate from Nuclear Field "A" School for rating as Machinist's Mate (MM), Electrician's Mate (EM), or Electronics Technician (ET) and are advanced to the rank of a Third Class Petty Officer. They then continue to Nuclear Power School. Graduates of the Nuclear Power School continue training with twenty four weeks of instruction at a Nuclear Power Training Unit. This training involves the operation and simulated maintenance of nuclear reactor plants and steam plants. Graduates of NPTU are qualified nuclear operators and continue on to serve in the fleet, unless they are selected as a Junior Staff Instructor (JSI). JSIs go through training to be instructors at a NPTU where they will directly assist in qualifying future students. The enlisted school has a very high academic attrition rate.

Sailors in the nuclear ratings account for 3% of the enlisted Navy.[4]

History of locations

Originally, the school was located at the Naval Submarine Base New London in Groton, Connecticut[citation needed]. It was moved in 1962 to (the now former) Naval Training Center Bainbridge, Maryland and later to (the now former) Naval Training Center Orlando, Florida until the latter's BRAC-mandated closure in 1999. The Nuclear Power Training Center at Bainbridge was closed in 1976.

In addition to the school at Bainbridge, there was a second Nuclear Power School at the Mare Island Naval Shipyard, in Vallejo, California. The Mare Island school operated from January 1959 until 1977 when training was consolidated to NTC Orlando[citation needed].

Today, the Nuclear Power Training Command (NNPTC) is located on Joint Base Charleston, in Goose Creek, South Carolina. Construction of the Charleston facility was completed in 1998. Both locations operated simultaneously for a number of months until the last Orlando class graduated[citation needed].


While the rigorous training program differs in terms of content for the officers and enlisted ratings, the following topics are provided to all program attendees:

Even more intensive than the enlisted course, the officer course involves extensive post-calculus mathematical examination of reactor dynamics.[1] Officers cover all topics in equal depth, whereas enlisted training is specialized for each student's job rating (with significant cross-training in the remaining "nuke" specialties). The officer course also assumes students have undergraduate engineering or science degrees.[2]

The nuclear program is widely acknowledged as having the most demanding academic program in the U.S. military. The school operates at a fast pace, with stringent academic standards in all subjects. Students typically spend 45 hours per week in the classroom, and are required to study an additional 10 to 35 hours per week outside of lecture hours, five days per week. Because the classified materials are restricted from leaving the training building, students cannot study outside of the classroom.

Students who fail tests and otherwise struggle academically are required to review their performance with instructors. The student may be given remedial homework or other study requirements. Failing scores due to personal negligence, rather than a lack of ability, can result in charges of dereliction of duty under the Uniform Code of Military Justice. Failing students may be held back to repeat the coursework with a new group of classmates, but such students are typically released from the Nuclear Power Program and are re-designated or discharged.

College credit (enlisted training)

The American Council of Education recommends an average of 60-80 semester-hours of college credit, in the lower-division baccalaureate/associate degree category, for completion of the entire curriculum including both Nuclear Field "A" School and Naval Nuclear Power School. The variation in total amount depends on the specific pipeline completed — MM, EM, or ET. Further, under the Servicemembers Opportunity Colleges degree program for the Navy (SOCNAV), the residency requirements at these civilian institutions are reduced to only 10-25%, allowing a student to take as little as 9 units of coursework (typically 3 courses) through the degree-granting institution to complete their Associate in Applied Science degree in nuclear engineering technology or as much as 40 units to complete a Bachelor in Nuclear Engineering Technology degree.[citation needed]

The following select colleges offer college credit and degree programs to graduates of the U.S. Naval Nuclear Power School.

College equivalence

The American Council on Education has evaluated the course of instruction at NNPTC and recommended the following credits be given for completion of the enlisted curriculum:[10]

  • 5 hours in general physics
  • 3 hours in heat transfer and fluid flow
  • 3 hours in nuclear reactor engineering
  • 1 hour in atomic and nuclear physics
  • 1 hour in radiation protection technology
  • 3 hours in general chemistry and principles of materials
  • 4 hours in technical mathematics.

Additionally, for Machinist's Mates

  • 3 hours in applied thermodynamics and heat transfer
  • 3 hours in power plant systems
  • 2 hours in hydraulic systems

For Electronics Technicians and Electrician's Mates

  • 3 hours in basic electricity
  • 2 hours in DC circuits
  • 2 hours in AC circuits
  • 2 hours in digital principles
  • 2 hours in electric machines

Several universities offer graduate level credit for completion of the officer training course.[3][4]

Nuclear Power Training Unit

Nuclear Power Training Unit (NPTU), one of which is also located at the former Naval Weapons Station Charleston, has two decommissioned submarines, ex-Daniel Webster (MTS-626) and ex-Sam Rayburn (MTS-635). These moored training ships have their missile compartments removed, but have fully operational S5W reactor power plants. Both of these training ships are equipped with a diesel-powered Supplemental Water Injection System (SWIS) to provide emergency cooling water in the event of an accident.

USS La Jolla (SSN-701) was placed in commissioned (Reserve, Stand down) status in February 2015 for conversion to a Moored Training Ship (MTS). The conversion is expected to take 32 months according to the Commanding Officer. During that time, the submarine will be cut into three pieces, and a portion of the hull will be taken out. Three new hull sections from General Dynamics Electric Boat will be added to accommodate the sub’s new mission. A newly-fabricated hull section will be welded in place, and the new space will contain training spaces, office spaces, and a Supplemental Water Injection System (SWIS) to provide emergency cooling water in the event of an accident. The future MTS-701 will be permanently moored at Nuclear Power Training Unit (NTPU) at Naval Support Activity Charleston in South Carolina.

La Jolla is the first Los Angeles-class boat to undergo the conversion to a training ship and will be followed by the USS San Francisco (SSN-711) about two years later, according to the Navy’s long-range ship decommissioning plans.

Two land-based reactor prototypes are based at the Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site Operation, in Ballston Spa, New York. These are the MARF/S7G and the S8G Trident prototypes. (The S8G core has now been replaced with the S6W reactor core). At one time, two additional prototypes were operational: D1G and S3G.

NPTU History

Knolls Atomic Power Laboratory in New York has the longest operational history of NPTUs. However, two other sites also provided operational training during the Cold War.

From the early 1950s to the mid-1990s, Naval Reactors Facility (NRF) in Idaho trained nearly 40,000 Navy personnel in surface and submarine nuclear power plant operations with three nuclear propulsion prototypes — A1W, S1W, and S5G.[11]

From 1959 until 1993, over 14,000 Naval operators were trained at the S1C prototype at Windsor, Connecticut.


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