Instruct: Retrieve semantically similar text.
Query: The Imperial Japanese Navy Aviation Bureau (海軍航空本部 , Kaigun Kōkū Hombu ) of the Ministry of the Navy of Japan was responsible for the development and training of the Imperial Japanese Navy Air Service. In 1941 it was headed by Vice-Admiral Katagiri and was organized as follows:
Vice Admiral Katagiri headed the Imperial Japanese Navy Air Service to develop and train them.
The operation will be established soon
The system was reformed 
The operation is ongoing
There will be a trial.
The Japanese Navy Air Service exists today
The mission was classified
There is a decision that must be made
The  Imperial Japanese Navy Air Service was highly efficient
The situation is fluid
a decision has been made on the subject
setting out the structure is a civilian
There is an act.
The agent was part of the military
There is some action goings on.
it was established with assistance
A deposition is occurring.
Kangyo is involved in the group 
There is ownership.
The Rikugun Ki-202 flies.
there was a report
there was a response.
The Imperial Japanese Navy Air Service was not headed by Vice-Admiral Katagiri in 1941. 
Japan was irresponsible in the training and devolopment of the Imperial Japanes Navy Air Service.
The Ministry of the Navy of Japan had no issues finding a leader.