军事 (jūn shì): military affairs; (attributive) military

This military exercise lasted three days; the soldiers began training every day before dawn.

This country recently increased its military budget and plans to purchase more advanced fighter jets.

Because relations between the two countries are tense, military activity in the border area has clearly increased.

He studied military history at university, and after graduation became a scholar researching war and peace.

The news report said that the military base has been closed to the public, and no one is allowed to approach it.