брати відповідальність за оборону (об'єкта, району); переходити до оборони
assume a defensive / assume the defensive
follow and assume / follow-and-assume
assume a course
assume a formation
assume a position
assume an alarming character
assume an appointment
assume an irreversible character
assume an offensive posture
assume combat formation
assume control
assume direction
assume duty
assume obligations
assume obligations under a treaty
assume office
assume responsibilities
assume risk
assume the command
assume the offensive
assume duties
assume the responsibility (for)
assume а defensive attitude
assume
assume a preparatory formation
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