noun
Military/aviation term for the rapid takeoff of fighter aircraft in response to an alert. Also used metaphorically for any urgent, rapid deployment.
領空侵犯の疑いで戦闘機が緊急発進した。
Fighter jets scrambled on suspicion of an airspace violation.
消防隊が緊急発進して現場に向かった。
The fire brigade scrambled and headed to the scene.