801st T.T.S. Airbats
Aozora Shoujo-Tai is a manga by Shimizu Toshimitsu.
A series of 7 OVAs has been made based on the manga.
There is also a series of audio dramas in Japanese.
Audio CD insert and booklet scans
Studio Rei Rei is Shimizu
Toshimitsu's web page
Hitoshi Doi's Aozora Shoujotai page