was a converted Mitsubishi G3M2 Model 21 bomber operated by the Mainichi Shimbun newspaper and used to make a round-the-world flight in 1939.
Nippon took off from Haneda airport in the district of Kamata in Tokyo on 25 August 1939, flew around the globe and returned to Tokyo, after 55 days, on 20 October 1939 having flown in 194 flying hours.
Nippon had the armament removed, was equipped with the latest autopilot and could carry 5,200 L of fuel enabling it to fly continuously for 24 hours.
Tokyo - Chitose - Nome, Alaska - Fairbanks, USA - Whitehorse - Seattle - Oakland, USA - Los Angeles - Albuquerque, USA - Chicago - New York - Washington D.C - Miami - San Salvador, El Salvador - Cali, Colombia - Lima - Arica - Santiago - Buenos Aires - Santos (Brazil) - Dakar - Casablanca Morocco - Seville, Spain - Rhodos, Greece - Basra (Iraq) - Karachi - Kolkata, India - Bangkok - Taipei - Haneda, Tokyo
There were seven occupants in total.