One might expect, under those circumstances, that the members of Unit 731 would have been among the first for the Allied authorities to name as war criminals and to put on trial. But that, in fact, was not the case. Unit 731 rather became a pawn of cold-war politics as the U.S. government prioritized racing against the Soviet Union in securing the biological weapons’ knowledge that Unit 731 had amassed and, to that end, shielding from war crimes prosecution the medical unit’s former members, including its chief, Surgeon General Ishii Shiro.
