noun, noun or participle which takes 'suru', intransitive verb
return to base; return to military duty
Military term for returning to one's unit or base after leave or an assignment. Used as a noun or with する.
休暇を終えて、兵士たちは帰営した。
After finishing their leave, the soldiers returned to base.
帰営時刻に遅れないよう
Please make sure you are not late for the return-to-base time.