N: North
N: November
N: November Time Zone
N-ISDN: Narrowband ISDN
N/A: Not Applicable
N/E: Non Effective
NA: Navy
NA: North Africa
NAA: North Atlantic Alliance
NAADM: North American Air Defense Modernization
NAAFI: Navy, Army, Air Force Institute
NAASW: Nonacoustic Anti-submarine Warfare
NAAWS: NATO Anti-Air Warfare System
NAB: Naval Air Base
NAB: Naval Amphibious Base
NAC: National Agency Check
NAC: Network Access Controller
NAC: No Apparent Change
NAC: North Atlantic Council
NACA: National Advisory Committee for Aeronautics
NACAA: National Advisory Committee for Aeronautics and Astronautics
NACAM: National COMSEC Advisory Memorandum
NACC: Net Assessment Coordinating Committee
NACDF: National Area Coverage Data File
NACIC: National CI Center
NACIPB: National CI Policy Board
NACOB: National CI Operations Board
NACSI: National COMSEC Instruction
NACSIM: National Communications Security Information Memorandum
NACSIM: National COMSEC Information Memorandum
NADGE: NATO Air Defense Ground Environment
NADS: North Atlantic Defense System
NADS: Norwegian Association for Defence Suppliers
NAEW: NATO Airborne Early Warning
NAF: Naval Air Facility
NAF: Non-Appropriated Fund
NAF: Numbered Air Force
NAFI: Non-Appropriated Fund Instrumentality
NAFIS: Naval Forces Intelligence Study
NAI: named areas of interest