0:58 if he spots your periscope, nobody can take counteraction better than another submarine commander, so therefore, you have to (7 words) indeed. 敵の艦長にこちらの潜望鏡を発見されたら、いち早く反撃してくるから、何より先に敵を叩くことが先決だ。
A British Submarine Fires Its Torpedoes at a Nazi U-Boat
