оборонні споруди (укріплення)
inclosed works
public works and utilities
wet works team
works certificate
breach works
engineer works
man works
site works
works
works of man
works section, R. E.
works service
ammunition works
permanent defensive works
permanent works
detached works
deliberate works
perimeter defense (all-around defense)
beach defense mine / beach-defense mine
active layered theatre (ballistic) missile defense (ALTBMD)
aerospace defense command
air defense (AD)
Air defense and Airspace Management Directorate (NATO)
air defense area
air defense artillery (ADA)
air defense artillery battalion
air defense artillery system
air defense brigade
air defense command
air defense commander (ADC)
air defense control center
air defense early warning