Military affairs — matters related to the armed forces, warfare, and defense operations.
その国は軍事支出を増やす方針を発表した。
That country announced it would increase military spending.
軍事演習は来週から沿岸で行われる予定だ。
Military exercises are scheduled to take place off the coast starting next week.
国際社会は軍事的な緊張の緩和を求めている。
The international community is calling for a reduction in military tensions.