National Defense University (NDU)

Air University

Joint Special Operations University (JSOU)

military university

Council of National Security and Defense of Ukraine (CNSDU)

Defense National Stockpile

national defense

national defense capability

National Defense College

national security and defense

National Association of Ukrainian Defense Industries (NAUDI)  

National Defense Authorization Act (NDAA)

perimeter defense (all-around defense)

beach defense mine / beach-defense mine

air national guard

Allied national authorities

Army National Guard (ARNG)

Assistant to the President for National Security Affairs

Inactive National Guard (ING)

intra-national terrorism

NASAMS (Norwegian / National Advanced Surface to Air Missile System)

National Aeronautics and Space Administration (NASA)

national air space

national armed establishment

national boundary

National C3 Representatives (NC3REPS, NATO)

National Codification Bureau (NCB)

National Command Authorities (NCA)

national contingent

national contingent commander (NCC)

national contributions

National Emergencies Act

national emergency