Mitsubishi KI-21 (8). Mitsubishi Ki-21-II-Ko(a), of Hamamatsu Army Flying School, Japanese Army Air Force, based at Hamamatsu Air Base, Shizuoka Prefecture, Japan, 1939. Mitsubishi Ki-21-Ib, of 2nd Chutai, 7th Kokutai, Japanese Army Air Force, based in Malaysia, 1942.
