The Japan Times and Mail, Sunday 5th February 1939 (Page 1)

SUMO ASSOCIATION DONATES WARPLANE

High Government Officials Attend Dedication Rite

Tokyo, Saturday, Feb. 4, 1939
    The dedication ceremony of a warplane donated by the Japan Sumo (Wrestling) Association to the Army took place at 2 p.m. today at the Tachikawa Military Airfield.
    The function was attended by the proxies of the War, Navy and Communications Ministers, Inspector-General Eiki Tojo, of Military Aviation and other high Government officials totaling 100 more than 70 professional wrestlers and 2,700 others.
    After the donated plane was "purified" with a Shinto ritual, Grand Champion Futabayama read an address of dedication, attired in the ornamental apron. This over the airplane was named Patriotic Plane No. 303 "Sumo" by the proxy of the War Minister.
    Grand Champions Futabayama and Minanogawa then performed Dohyoiri or the ritual of the Grand Champion entering the ring to wish good luck for the "Sumo" warplane.
    The ceremony over, the plane took off with other Army planes for a demonstration flight over the airdrome.