――After the Sino-Japanese War in 1937, I was hit by a small air raid by the Chinese Air Force.
――For this reason, the Navy felt the need for a high-speed fighter for base air defense, so it presented Mitsubishi with the development of 14 test-based fighter aircraft.
――In response to this plan, Mitsubishi considered to install a powerful engine, and since the engine decided according to the request was large in diameter, considering air resistance, the engine was placed behind using the extension shaft and the nose was set. The squeezed spindle-shaped fuselage has a design not found in conventional Japanese aircraft.
――In 1942, the first prototype was examined and it was pointed out that the landing speed was fast and the visibility was poor, but after changes such as repairing the windshield shape, it was produced as Raiden 11 type (J2M2) from September 1943. Has started.
――The Raiden 21 type (J2M3) is a type equipped with 4 7.7mm machine guns to 20mm machine guns and strengthened the armament, and was the most produced among the Raiden types.
――After that, 32 type (J2M4) equipped with an exhaust turbine supercharger, 33 type (J2M5) with a larger windshield and the engine replaced with Mars 26 type, Mars 26 type is not available and the engine is the same as Raiden 21 type Mars 23 A total of about 500 aircraft, including the 31-inch (J2M6) with a larger windshield and the same instep, were produced and were active in intercepting enemy bombers entering mainland Japan.
