This is the 2389th most frequent Korean word.
군의
"군의" means "military medicine" or "military medical."
군의 is used here to indicate possession ('of the military').
군의 의무는 나라를 지키는 것이다.
The duty of the military is to protect the country.
군의 highlights the subject ('achievements') linked to the military.
군의 활약은 역사책에 남아 있다.
The achievements of the military are documented in history books.
군의 describes something associated with the military ('operation plan').