This is the 15903rd most frequent Korean word.
부산작전기지에
"At Busan operational base."
In this usage, '부산작전기지에' refers to the location of the operational base in Busan where barricades were set up.
적군의 접근을 막기 위해 부산작전기지에 바리케이드를 설치했습니다.
To prevent the enemy's approach, barricades were installed at the operational base in Busan.
Here, '부산작전기지에' specifies where the weapons and supplies were stored, demonstrating its role as a locational noun for prepositional context.
모든 무기와 물자는 부산작전기지에 안전하게 보관되었습니다.
All weapons and supplies were safely stored at the operational base in Busan.
The word '부산작전기지에' is used to indicate a location where the activity (assembling) is taking place.