620X - Nuclear Power LDO

Designator Description


Limited duty officers (Nuclear Power) are officer technical managers in the repair, maintenance, and operation of naval nuclear propulsion plants, nuclear ship's systems and associated equipments. They effect maintenance programs, operate nuclear propulsion plants, supervise radiological and chemistry control programs and provide technical guidance in operation and maintenance of nuclear propulsion plant equipment and systems. They also provide technical assistance in the overhaul, refueling and decontamination of nuclear propulsion plants. They may serve in nuclear surface ships, repair ships, training facilities, industrial and intermediate level maintenance activities, or various operational and staff billets.

Voluntary Education

Voluntary Education

In addition to obtaining certifications in your field, voluntary education is another way to enhance job performance. Options for voluntary education include:

For help in making informed choices on schools and education programs when using tuition assistance, see:

Collateral Duty / Out of Rate Assignments

Navy collateral duties/out of rate assignments play a vital role in the day-to-day operations and duties that Officers and Enlisted Sailors perform. Certifications and licenses are also available in these collateral duties/out of rate assignments, so please go to the Collateral Duty/Out of Rate Assignments search feature (under the Navigator) and explore more opportunities to get certified.

Opportunities Related to Academic Degrees

Out of rate or designator requests for exam funding for credentials related to an earned academic degree or a semester course may also be funded if it can be directly related to an industry certification or state license.

For example, if you have a degree in Human Resources but are serving as a Culinary Specialist, you can get funding for a Professional in Human Resources (PHR) certification.

If the completed degree is not in the Sailor's Joint Service Transcript (JST), the Sailor must provide proof of completion with the Voucher Request Form, OPNAV 1500/57 for funding approval. The requested credential must be included on the Navy COOL website, and the Sailor must meet all other eligibility requirements.

As with any credential, you must meet all other eligibility criteria and the certification or license vendors' requirements.

Opportunities for Prior Rate or Designator Sailors

If you have cross-rated or redesignated, you now are eligible for certifications and licenses mapped to your prior rating or designator. The “Navy Bucks” icon on the Navy COOL page for your previous position/rate indicates which certifications and licenses may be funded.

As with any credential, you must meet all other eligibility criteria and the certification or license vendors' requirements.

Opportunities Related to Off-Duty or Command-Sponsored Training

If you can document that you have completed an on- or off-duty training course that fully prepares you for a civilian certification or license, you may now be eligible to have the credential exam funded.

For example, if you took a Command-sponsored Emergency Medical Technician course, you may be eligible for funding for an EMT Basic credential.

The requested credential must appear on Navy COOL, although it does not need to show the Navy Bucks icon to be funded.

College course completion must be annotated in your Joint Service Transcript. Formal off-duty or command-sponsored training should be visible in your Electronic Training Jacket (ETJ). In lieu of an ETJ entry (where training cannot be entered into the ETJ) you will need to submit some form of, proof of completion (a certificate of completion from the course/training is sufficient). If neither of the previously mentioned methods of validating proof of completion are available, then a command correspondence (such as a command letter, memo, or PG-13 form) describing the training along with the OPNAV 1500/57 Professional Certification and Licensing Voucher Request (COOL Voucher Request Form).

As with any credential, you must meet all other eligibility criteria and the certification or license vendors' requirements.

Opportunities for Navy Reservists

If you are a Navy Reservist, officer or enlisted, you may now be eligible for funding for credentials related to your civilian occupation. The certification or license must have relevance to the needs of the Navy, and must appear on Navy COOL, although it does not need to show the Navy Bucks icon to be funded.

To validate your civilian occupation, you will need a screen shot from Navy Standard Integrated Personnel System (NSIPS) showing the Civilian Occupational Code. Please send the NSIPS screenshot with your OPNAV 1500/57 Professional Certification and Licensing Voucher Request (COOL Voucher Request Form).

In lieu of NSIPS documentation you may also submit a command endorsed and executed NAVPERS 1070/613 (PG-13) Administrative Remarks form noting your civilian occupation along with your OPNAV 1500/57 Professional Certification and Licensing Voucher Request (COOL Voucher Request Form). You must sign the PG-13.

As with any credential, you must meet all other eligibility criteria and the certification or license vendors' requirements.

Prior Other-Service Occupation

If you are Navy (Active or Reserve), you may now be eligible for funding for credentials related to prior other-Service (Army, Air Force, Marine Corps, Coast Guard) occupation. The certification or license must have relevance to the needs of the Navy, and must appear on Navy COOL, although it does not need to show the Navy Bucks Navy Bucks icon icon to be funded.

To validate your prior other-Service occupation, you will need to provide Navy COOL with a document (e.g. DD-214; or Military Service School completion certificate; or other document) showing your other-Service occupation. Please send the document (scanned & emailed) with your OPNAV 1500/57 Professional Certification and Licensing Voucher Request (COOL Voucher Request Form).

As with any credential, you must meet all other eligibility criteria and the certification or license vendors' requirements.

Credentials Earned & Maintained Prior to Joining the Navy

If you are Navy (Active or Reserve), you may now be eligible for funding for credentials that were earned, and maintained, prior to entering the Navy. The certification or license must have relevance to the needs of the Navy, and must appear on Navy COOL, although it does not need to show the Navy Bucks Navy Bucks icon icon to be funded.

To validate your earned & maintained credential, you will need to provide Navy COOL with a scanned or emailed document (e.g. credential certificate document, screenshot from your credential dashboard, digital badge, etc…) showing the credential earned and maintained. Please send the document (scanned & emailed) with your OPNAV 1500/57 Professional Certification and Licensing Voucher Request (COOL Voucher Request Form).

As with any credential, you must meet all other eligibility criteria and the certification or license vendors' requirements.

This is an official U.S. Navy websiteUpdated: September 30, 2020
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Click here to go to National 3rd Assistant Engineer Steam/Motor/GT COOL Snapshot page.

Renewal Period: 5 years

The National 3rd Assistant Engineer Steam/Motor/Gas Turbine, is a mid-level license and a member of the engineering department on a merchant vessel. Engineers monitor the safe and efficient operation of engineering machinery, conduct routine maintenance and repair of engine room machinery and auxiliary equipment, and observe engine room repairs and work done by shipyard or other contractors. They also perform watch standing duties, respond to emergencies, and report special events in the appropriate logs. Engineer’s participate as a lifeboat crewmember and a firefighting and emergency response team leader and report to the Chief and/or First Assistant Engineer. There are several pathways outlined in the licensing documents to obtain a United States Coast Guard license as a Third Assistant Engineer. Candidates must meet a minimum sea service, training, and exam requirement.
Click here to go to National Assistant Engineer (Limited) Steam/Motor/GT COOL Snapshot page.

Renewal Period: 5 years

The National Assistant Engineer (Limited) Steam/Motor/Gas Turbine (GT) assists the Chief Engineer. They are responsible (not limited to) for ship maintenance, engine maintenance, machinery repairs, and fueling on board a Steam/Motor/GT Vessel. They are also responsible for electrical, sewage treatment, lube oil, bilge, and oily water separation systems, and stand a watch. Their duties depend upon the type of ship or vessel and arrangement of the engine department.
Click here to go to National Designated Duty Engineer Steam/Motor/GT COOL Snapshot page.

Renewal Period: 5 years

The National Designated Duty Engineer Steam/Motor/GT is a qualified engineer, who may be the sole engineer on vessels with a periodically unattended engine room. A DDE is the engineer in charge of a watch in a periodically unmanned engine room. Under the United States regulations, the DDE may serve as a Chief Engineer on domestic vessels of not more than 500grt. The 1000hp and 4000hp DDE credentials are valid only on near coastal and inland waters and the unlimited horsepower level is valid on any waters. Candidates must meet a minimum sea service, training, and exam requirement.
Click here to go to STCW III/1 - OICEW or DDE 750 kW/1000 HP or More COOL Snapshot page.

Renewal Period: 5 years

The STCW - Officer in Charge of Engneering Watch (OICEW) or DDE 750 kW/1000 HP or More is the officer on watch in charge of the main propulsion plant of the ship, and of the associated auxiliaries. They are responsible for the safe and proper operation of such units, and for the performance of the duties prescribed in these regulations and by other competent authority. OICEW will also be responsible for power generation and distribution systems and other equipment such as refrigeration plant and pumping and ventilation systems and more.

A designated duty engineer DDE is defined by STCW as the engineer in charge of a watch in a periodically unmanned engine room. Under the United States regulations, the DDE may serve as a Chief Engineer on domestic vessels of not more than 500grt.

Click here to go to National Qualified Member of the Engineering Department (QMED) COOL Snapshot page.

The Qualified Member of the Engineering Department (QMED) is the senior most rating in the engine room and also the entry level for any merchant marine Engineering Officers License. Each QMED rating must be endorsed separately, unless one qualifies for all QMED ratings. QMED duties include, but are not limited to, inspection of equipment such as pumps, turbines, distilling plants, and condensers; lubrication and maintenance of generators, steering systems, lifeboats, and sewage disposal systems; cleaning and restoration of tools and other equipment.

Click here to go to Transportation Worker Identification Credential (TWIC) COOL Snapshot page.

Renewal Period: 5 years

The Transportation Security Administration (TSA), Transportation Worker Identification Credential (TWIC), while not formally a license or certification in and of itself, is required by the Maritime Transportation Security Act for workers who need access to secure areas of the nation's maritime facilities and vessels. TSA conducts a security threat assessment (background check) to determine a person's eligibility and issues the credential. U.S. citizens and immigrants in certain immigration categories may apply for the credential.

In Demand

This certification is considered in demand. The U.S. Department of Labor sponsored CareerOneStop's analysis indicates the certification is frequently mentioned in online job postings.

Click for external link to CareerOneStop's Credentials Center.

Navy Bucks

Credential voucher or reimbursement for credential exam, re-certification, or maintenance fee has been approved for payment through the Navy's Credential Program Office. To get a voucher request form, click Menu at the top of any page, then click "2 Complete Voucher and Apply" under Credentialing Steps.

GI Bill®

Reimbursement for exam fees has been approved for payment through the GI Bill.

Note: GI Bill approval data is updated quarterly. For the latest information, visit the WEAMS Licenses/Certifications Search page. Make sure to select "Both" in the LAC Category Type drop-down before searching.

Click to go to the external link for GI Bill licensing and certification information.

Some

Credential is related to some tasks associated with the duties of the rating (at least one critical task but less than 80%)

Most

Credential is directly related to most of the major duties associated with the rating (at least 80%)

Other

Credential is related to this military occupation, but is more advanced or specialized and therefore will likely require additional education, training, or experience

High

Highly attainable: Credential is related to the duties performed within the military occupation, the minimum education requirement = HS or less and/or minimum experience = 2 years or less experience and no additional requirements.

Medium

Moderate ease of attainment: Credential is related to the duties performed within the military occupation, the minimum education requirement = Associate's and/or prerequisite and/or minimum experience = more than 2 years and less than 10 years of experience.

Low

May be difficult to attain: Credential is related to the duties performed within the military occupation, the minimum education requirement is a Bachelor's degree, and/or minimum experience is 10 or more years.

Most – Tasks in these careers match most duties of the military job or specialty (approximately 80% or greater)
Some – Tasks in these careers match some duties of the military job or specialty (greater than 20% but less than 80%)
Bright Outlook – new job opportunities are very likely in the future for this job

Registered Apprenticeship

An apprenticeship program is registered with the U.S. Department of Labor. Go to the Apprenticeship Finder and enter career path or location to find apprenticeship opportunities.

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Bright Outlook – new job opportunities are very likely in the future for this job

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Bright Outlook – new job opportunities are very likely in the future for this job

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Bright Outlook – new job opportunities are very likely in the future for this job

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Bright Outlook – new job opportunities are very likely in the future for this job

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Bright Outlook – new job opportunities are very likely in the future for this job

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Bright Outlook – new job opportunities are very likely in the future for this job

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Bright Outlook – new job opportunities are very likely in the future for this job

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This credential has been accredited by:
This credential has been accredited by: