First Air Army (Japan)
The First Air Army was part of the Japanese Imperial Army during World War 2. It had its headquarters in Tokyo, basing in the Kanto Plain. The 1st was responsible for covering the Japanese home islands, Taiwan, Korea, Kuril Islands, and South Sakhalin.
History
Formed under Military Ordinance Order No 31 on 13 April 1942 and initially headquartered at Gifu on 5 June 1942 before being relocated to Miyakezaka, Tokyo in response to the allied airstrikes on mainland japan. In July July 1944, the Headquarters was moved to the main building of Seikei University, Musashino-shi.On 8 April 1945, in accordance with Operation Ketsugō (決号作戦, ketsugō sakusen), the countermeasure plan of Operation Downfall, the 1st together with the 2nd, 5th, and 6th Air Armys were transferred to the Headquarters of the Army Air Force. It remained under their command until the end of the war.
Commanders
- Lieutenant General Takeo Yasuda - Commander of the First Air Army between 1 June 1942 and April 1943 and head of the Army Aeronautical Department and Inspectorate General of Aviation. Yasua was a strong advocate of the use of suicidal ramming tactics against American bombers. He returned to command of the 1st Air Army as part of the preparations for the final defense of the Japanese home islands against Allied invasion; however, he retired shortly before the war's end.
- Lieutenant General Teramoto Kumaichi from 1 May 1943 to 19 July 1943 when he transferred to Rabual to take command of the Fourth Air Army
- Lieutenant General Prince Yi Un from 20 July 1943 to 31 March 1945
- Lieutenant General Takeo Yasuda from 1 April 1945 to ? 1945
Units
The Air Army was made up of two or more Air Corps plus some Independent Units. Each Air Division consisted of an Air Brigade together with base and support units and a number of Independent Squadrons. Each Air Brigade had two or more Air Combat Groups. The Air Combat Group was a single-purpose unit consisting typically of three Squadrons, divided into three flights of three aircraft each.- 10th Division - responsible for the defence of Tokyo
- 5th Brigade
- 12th Brigade
- 16th Brigade - established in 1944 and based in the Philippines for a time before returning to Hōfu
- 1st Air Force Education Corp
- 40th Aviation District Command
- 46th Aviation District Command
- 62nd Aviation District Command
- 4th Aviation Communications Command
- 13th Aviation Regiment