in close concert with

у тісній співпраці з (We worked in very close concert with the Americans, engaging the Taliban in frequent firefights. - Harry, The Duke of Sussex, Prince. Spare, p. 148)

fight in concert with

close-quarters combat (CQC) / close-quarters battle (CQB)

at close quarters

close air support (CAS)

close air support mission

close approach

close column

close combat

close combat attack (CCA)

close combat optic (CCO)

close defensive fire

close engagement

close envelopment

close observation

close operations

close political-military communication

close support

close support aircraft

close supporting fire

close-in air defense weapon

close-in defensive fire

close-in stun gun

close-in weapons system

precision night close air support (CAS)

Secretary General’s Close Protection Unit

danger close

Danger Close method of engagement

Close Air Support Control Team (CAST)

close reconnaissance

close-support fire

at close range

atomic close-range combat