By the time of the third bomb run, Japanese anti-aircraft fire was getting close, and Second Lieutenant Jacob Beser, who was monitoring Japanese communications, reported activity on the Japanese fighter direction radio bands.
Pada penerbangan pengeboman ketiga, tembakan senjata antipesawat Jepang semakin dekat, dan Letnan Kedua Jacob Beser yang saat itu sedang mengawasi komunikasi Jepang melaporkan adanya aktivitas lewat pita radio pesawat tempur Jepang.