The three IJAAF air brigades stationed in Honshū and Kyūshū were expanded to air divisions between March and June (these were designated the 10th, 11th and 12th Air Divisions).
Tiga brigade udara angkatan udara ditempatkan di Honshū dan Kyūshū kemudian diperluas menjadi divisi udara antara Maret dan Juni (Divisi udara 10, 11 dan 12).