During his flight, Tanaka wrote an outline with the working title and pitched it to executive producer Iwao Mori. Mori approved the project in mid–April 1954 after special effects director Eiji Tsuburaya agreed to do the film's effects and confirmed that the film was financially feasible. Mori also felt the project was perfect as a vehicle for Tsuburaya and to test the storyboarding system that he instituted at the time. Mori also approved Tanaka's choice to have Ishirō Honda direct the film and shortened the title of the production to Project G (G for Giant), as well as giving the production classified status and ordered Tanaka to minimize his attention on other films and mainly focus on Project G.
During his flight Tanaka wrote an outline with the working title and pitched it to executive producer Iwao Mori Mori approved the project in mid–April 1954 after special effects director Eiji Tsuburaya agreed to do the film's effects and confirmed that the film was financially feasible Mori also felt the project was perfect as a vehicle for Tsuburaya and to test the storyboarding system that he instituted at the time Mori also approved Tanaka's choice to have Ishirō Honda direct the film and shortened the title of the production to Project G (G for Giant) as well as giving the production classified status and ordered Tanaka to minimize his attention on other films and mainly focus on Project G