This is the 14615th most frequent Korean word.
미사일로
"Missile" (instrumental particle "로" indicates means or direction).
Here, '미사일로' (with missile) is used as an instrumental noun to indicate the means by which the action (breaking through defenses) was conducted.
미사일로 적의 방어망을 돌파했습니다.
We broke through the enemy's defenses with missiles.
In this sentence, '미사일로' (using missile) shows the tool or object utilized to create the threat.
그들은 미사일로 위협을 가했습니다.
They posed a threat using missiles.
Here, '미사일로' (with missiles) denotes the mode or method for performing the precise strikes.