The officers were told they were to play the Red (U.S.) force in war games, a task they performed thoroughly and exceedingly well. This Red team of Japanese intelligence experts demonstrated in the game that Japan’s only hope was to achieve its conquests and consolidate them as early as possible, because the greater resources of the United States, once converted to full warmaking capacity, would surely deprive Japan of its war potential and force her surrender.
– Peter Perla, The Art of Wargaming, p. 48