Back 4.º Ejército del Aire (Japón) Spanish 第4航空軍 (日本軍) Japanese 제4항공군 (일본군) Korean 第4航空军 (日本陆军) Chinese
The Fourth Air Army (Japanese: 第4航空軍, romanized: Kōkū gun) was a land-based aviation force of the Imperial Japanese Army. Formed in Rabaul in June 1943, consisting of the 6th and 7th Air Divisions (Hiko Shidan). The air army was responsible for covering the Solomon Islands, Dutch New Guinea and the Territories of Papua and New Guinea areas of operations. The headquarters was at Rabaul. Disestablished in January 1945.