Organization of the Imperial Japanese Navy Air Service
The Imperial Japanese Navy Air Service was under the control of the Navy Aviation Bureau (Kaigun Kōkū Hombu) . == Administrative organizations == === Kōkū Kantai === Kōkū Kantai (air fleet) contained one or more kōkū sentai.
Source: Wikipedia — Organization of the Imperial Japanese Navy Air Service (CC BY-SA 4.0)