voluntary national service

voluntary national contributions (VNC)

voluntary military service

private voluntary organization

voluntary contributions in cash

voluntary contributions in kind (budgeted)

voluntary occurrence reporting system

voluntary active duty

voluntary army

voluntary career serviceman

voluntary enlistment

voluntary off-duty education

voluntary order on recall to active duty

voluntary recall

voluntary release (from active duty)

voluntary retention on active duty

national weather service (NWS)

branch (military/service branch, armed service)

separate from active service / the service

Y service (Y-service) / Y-station

regional meteorological service/ regional weather service (RWS)

emergency service / emergency operations service

air national guard

Allied national authorities

Army National Guard (ARNG)

Assistant to the President for National Security Affairs

Council of National Security and Defense of Ukraine (CNSDU)

Defense National Stockpile

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