reconnaissance
🇺🇸
/rɪˈkɑːnɪsns/
🇬🇧
/rɪˈkɒnɪsns/
the act of getting information about an area, especially for military purposes.
They did a reconnaissance of the area before setting up camp.
그들은 캠프를 설치하기 전에 그 지역을 정찰했다.