Mitsubishi Ki-21-II Ko(a), of 1st Chutai, 62nd Sentai, Japanese Army Air Force, based in Thailand, 1942. [Ki-21-Ia Ki-21-Ib "Sally"]. 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.
