переходити в наступ / перейти в наступ
assume a defensive / assume the defensive
follow and assume / follow-and-assume
assume an offensive posture
assume a course
assume a formation
assume a position
assume an alarming character
assume an appointment
assume an irreversible character
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 duties
assume the responsibility (for)
assume а defensive attitude
assume
assume the defense
assume a preparatory formation
assume a defensive (attitude)
assume the defensive
I assume full responsibility for
absorb an offensive
breaking up an offensive
counter-offensive
fluid offensive operation