This is the 10560th most frequent Korean word.
국방장관과
The Korean word "국방장관과" means "with the Minister of National Defense."
Here, '국방장관과' is used to indicate 'with the Minister of Defense' as part of the participants in the discussion.
국방장관과 평화 협정을 논의했습니다.
They discussed the peace agreement with the Minister of Defense.
In this sentence, '국방장관과' connects 'the Minister of Defense' with 'the members of Congress' indicating subjects of the sentence.
국방장관과 국회의원들이 회의에 참석했습니다.
The Minister of Defense and the members of Congress attended the meeting.
Here, '국방장관과의' is used to describe 'with the Minister of Defense' where the phrase functions adjectivally to modify 'conversation'.