This is the 1965th most frequent Korean word.
러시아군은
"Russian military."
The subject highlighting the actions of the Russian military in a historical context.
러시아군은 전쟁 중 다양한 전략을 사용했습니다.
The Russian army employed various strategies during the war.
The subject of the sentence, indicating the Russian military.
러시아군은 유럽에서 활동하고 있습니다.
The Russian army is active in Europe.
The topic indicating the Russian army's capabilities.