military life
Refers to the lifestyle, daily routine, and experiences of a soldier or member of the armed forces.
He longs for military life.
Military life has strict discipline.
Similar meaning, but 軍隊生活 emphasizes life in the military organization as a whole, while 軍人生活 focuses on the individual soldier's experience.
Compound of 軍人 (soldier) and 生活 (life, living).