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Military glossary - Letter N



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Nap-of-the-earth flight
See terrain flight.

National Military Joint Intelligence Center
(DOD) National-level focal point for all defense intelligence activities in support of joint operations.

National Shipping Authority
(DOD) The organization within each allied government responsible in time of war for the direction of its own merchant shipping.

Naval advanced logistic support site
(DOD) An overseas location used as the primary transshipment point in the theater of operations for logistic support. A naval advanced logistic support site possesses full capabilities for storage, consolidation, and transfer of supplies and for support of forward-deployed units (including replacements units) during major contingency and wartime periods. Naval advanced logistic support sites, with port and airfield facilities in close proximity, are located within the theater of operations but not near the main battle areas, and must possess the throughput capacity required to accommodate incoming and outgoing intertheater airlift and sealift. When fully activated, the naval advanced logistic support site should consist of facilities and services provided by the host nation, augmented by support personnel located in the theater of operations, or both.

Naval district
(DOD) A geographically defined area in which one naval officer, designated commandant, is the direct representative of the Secretary of the Navy and the Chief of Naval Operations. The commandant has the responsibility for local naval defense and security and for the coordination of naval activities in the area.

Naval special warfare special operations component
(DOD) The Navy special operations component of a unified or subordinate unified command or joint special operations task force.

Naval tactical data system
(DOD) A complex of data inputs, user consoles, converters, adapters, and radio terminals interconnected with high-speed, general-purpose computers and its stored programs. Combat data is collected, processed, and composed into a picture of the overall tactical situation which enables the force commander to make rapid, accurate evaluations and decisions.

Navy TACC
See tactical air control center.

Near miss (aircraft)
(DOD) Any circumstance in flight where the degree of separation between two aircraft is considered by either pilot to have constituted a hazardous situation involving potential risk of collision.

Negligible risk (nuclear)
(DOD) A degree of risk where personnel are reasonably safe, with the exceptions of dazzle or temporary loss of night vision.

News media representative
(DOD) An individual employed by a civilian radio or television station, newspaper, newsmagazine, periodical, or news agency to gather and report on a newsworthy event.

Night vision goggle(s)
(DOD) An electro-optical image intensifying device that detects visible and near-infrared energy, intensifies the energy, and provides a visible image for night viewing. Night vision goggles can be either hand-held or helmet-mounted.

Nominal focal length
(DOD, NATO) An approximate value of the focal length, rounded off to some standard figure, used for the classification of lenses, mirrors, or cameras.

Nondeferrable issue demand
(DOD) Issue demand related to specific periods of time which will not exist after the close of those periods, even though not satisfied during the period.

Nonprior service personnel
(DOD) Individuals without any prior military service, who have not completed basic inactive duty training, and who receive a commission in or enlist directly into an Armed Force of the United States.

Non-submarine contact chart
(DOD, NATO) A special naval chart, at a scale of 1:100,000 to 1:1,000,000, showing bathymetry, bottom characteristics, wreck data, and non-submarine contact data for coastal and off-shore waters. It is designed for use in conducting submarine and anti-submarine warfare operations.

Not mission capable, maintenance
(DOD) Material condition indicating that systems and equipment are not capable of performing any of their assigned missions because of maintenance requirements. See also not mission capable, supply.

Nuclear, biological, and chemical capable nation
(DOD) A nation that has the capability to produce and employ one or more types of nuclear, biological, and chemical weapons across the full range of military operations and at any level of war in order to achieve political and military objectives.

Nuclear planning and execution
(DOD) Worldwide Military Command and Control System application systems that support strategic and tactical nuclear planning, execution, termination, and reconstitution.

Nuclear vulnerability assessment
(DOD, NATO) The estimation of the probable effect on population, forces, and resources from a hypothetical nuclear attack. It is performed predominantly in the preattack period; however, it may be extended to the transattack or postattack periods.

Number . . . in (out)
(DOD, NATO) In artillery, term used to indicate a change in status of weapon number

Numbered wave
See wave.

NVG
See night vision goggle(s).