 As early as the Shanghai Incident, the principles of victory or death were already implemented, and much was made of a captured Japanese soldier who returned to the site of his capture to commit "seppuku".Three troopers who had blown themselves up on a section of barbed wire were lauded as "three human bombs" and featured in no less than six films, even though they may have died only because their fuses were too short.Tojo himself, in a 1940 booklet, urged the spirit of self-sacrifice on soldiers, to not consider death.