Air defense Section (NATO IS)

Defense Policy and Partnership Section (NATO)

Air defense and Airspace Management Directorate (NATO)

NATO Integrated Air defense System

Panel on Air defense(PAD, NATO)

delegation (of NATO member state at NATO HQ)

7.62×51mm NATO (official nomenclature 7.62 NATO)

Airspace Management Section (NATO IS)

Arms Control and Coordination Section (NATO IS)

Force Planning Section (NATO)

Nuclear Policy Section (NATO)

Planning and Policy Section (NATO)

Planning Section (NATO)

Press and Media Section (NATO IS)

Programme Control Section (NATO)

Publications and Distribution Section (NATO)

Speech-Writing Section (NATO)

echoing cross-section; echoing cross section

section of control surface section

radar cross-section / radar cross section (RCS); radar signature; radar crossover

Commandant of the NATO Defense College

defense and Security Directorate (NATO)

Defense Planning Committee (DPC, NATO)

Defense Policy and Capabilities Directorate (NATO)

Defense Policy and Planning Division (DPP, NATO)

Defense Review Committee (NATO)

Infrastructure and Defense Manpower Committee (NATO)

NATO Defense College (NDC)

Senior Defense Group on Proliferation (NATO)

NATO-Ukraine Joint Working Group on Defense Reform (JWG)

Air Force Air Defense Command

perimeter defense (all-around defense)

beach defense mine / beach-defense mine