List of air squadrons of the Imperial Japanese Army
Air Squadrons (Air Regiments) of the Imperial Japanese Army Air Service were units of Air Groups. Typically 4-8 Air Squadrons (Sentai) made up an Air Group for the training or large-scale military operations. Background. In August 1938, a complete re-organization of the Army Air Service resulted in the creation of the , which replaced all of the former Air Battalions and Air Regiments. Each Air Combat Group was a single-purpose unit consisting typically of three Squadrons, divided into three of three aircraft each. Together with reserve aircraft and  the headquarters flight, an Air Combat Group typically had 45 aircraft (fighter) or up to 30 aircraft (bomber or reconnaissance). Two or more Air Combat Groups formed an , which, together with base and support units and a number of Independent Squadrons, formed an . In 1942, the Air Corps were renamed , to mirror the terminology for infantry divisions, but the structure remained the same. Two Air Divisions, together with some independent units made an .