Mitsubishi G4M
 The Mitsubishi G4M (or Type 1 land-based attack aircraft) (一式陸上攻撃機 一式陸攻 Isshiki rikujō kōgeki ki Isshikirikkō) was the main twin-engine land-based bomber used by the Imperial Japanese Navy Air Service in World War II. The Allies gave the G4M the reporting name Betty.