and N1K1 "Rex" hydrofighters; later returned as interceptors with hydrofighters and A6M5c from the Biwa Lake area. Kisarazu – Combat unit from Kisarazu, equipped with A6M and G4M. Misawa – Combat unit from Misawa, equipped with A6M and G4M. Chichijima – Air group based in Chichijima, equipped with twin-engine bombers and Reisens. Sasebo – Served as Navy arsenal and other Air units, equipped with land-based torpedo bombers and fighters. Himeji – Air group organized in Himeji, equipped with bombers and A6M fighters. Amakusa – Unit created from Amakusa, with trainer group and fighter operative units. Fukuyama – Combat group equipped with hydroplanes, bombers, and fighters. Tateyama – Unit with base in Tateyama, equipped with twin-engine bombers and fighters. Takuma – Combat group with base in Takuma, equipped with twin-engine bombers and fighters. Kisarazu – Unit with base in Kisarazu, equipped with land-based torpedo-bombers and fighters. Matsushima – Group with base in Matsushima, equipped with twin-engine bombers and fighters. Kashima – Operative training group with base in Kashima, later converted to a combat unit. Shanghai – Air group based in Shanghai (Japanese-occupied Chinese land), equipped with twin-engine bombers and fighters. Also possessed an operational training unit. The unit participated in kamikaze actions. Suzuka – Operative training unit, later converted to a combat group. Shumushu – Special detachment based in Kataoka, Shumushu and Kashibawara, and Paramushiro (Kuriles) as part of 203 Air Group and North Sea Fleet; equipped with A6M5s and J1N1-S Gekkos. They fought against Americans and Russians air incursions over the islands. Hokuto – Operative unit equipped with B5N Kate, B6N "Jill", and A6M based in Kataoka, Shumushu (Kurils), later merged into 553rd Air Corps. Tsuchiura – Air group based in Tsuchiura, equipped with A6M and hydroplanes; later served as an interceptor squadron over Japan. Nan-Yo – Air unit formed for the South Seas Mandate, equipped with transports, bombers, hydroplanes, and A6M fighters. Unit fought against the US Navy in the same area and in the Philippines. Southern Philippines Air Group – Air group based in Davao, Philippines, and equipped with Nakajima L2D "Tabby" transports and fighters. Okinawa – Air group based in Yontan and Kadena airfields, Okinawa, and equipped with fighters and torpedo bombers. Acted during Okinawa campaign against US forces. Oppama (Yokosuka) – Unit based in Oppama, originally equipped with Torpedo bombers, and later converted to a defensive squadron with A6M fighters. Tinian – Squadron based in Tinian,