close-in training area

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

close in an area

live-fire training (field-fire training)

major training area

training area

foreign area specialist training

foreign area specialist training program

foreign area training

garrison training area

jungle training area

armor training area

ground training area

normal ground training area

area of war/war area

potential danger area (trouble area)

hazard area / hazardous area

killing area / kill area

open area danger area

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