missles that were launched over Japanese territory
一丸となって高度な警戒態勢を維持する the gov acts as one inmaintaining its high level of vigilance
黙々と任務にあたる concentrate fully on performing one’s duties
最前線で任務にあたる人 A who are charged with duties at the front line
機雷掃海 minesweeping
果たすべき役割を全うする perform the roles you should
それぞれの持ち場において each in your own capacity
諸君の活躍に大いに期待しています i have great expectations for your active engagement