What was Kafka Hibino’s job before joining the Japan Defense Force?

What is the name of the Defense Force division commanded by Mina Ashiro?

An invasion of the Defense Force headquarters

It possesses intelligence and can disguise itself as a human

It can permanently disable all Defense Force weapons

It can control every kaiju in Japan simultaneously

Winning a national martial arts tournament

It becomes the captain of the Third Division

It permanently loses its ability to regenerate and becomes human

Kaiju no8 /// Kaiju no 8 /// Kaiju no.8 ///