This is the 611th most frequent Japanese word.
軍事
Military affairs.
Here, "軍事" refers to military power or forces collectively, often used in the context of state-level defense policies and capabilities.
その国は軍事力を強化し始めました。
That country has started strengthening its military power.
In this instance, "軍事的" is the adjective form of "軍事", describing actions as military-related, highlighting its use in modifying nouns to provide context.
軍事的な行動は問題を解決しないかもしれません。
Military actions might not solve the problem.
In this sentence, "軍事" (military) is used as a noun to attribute expertise areas, directly relating to strategies and operations involved in defense and warfare scenarios.