Shooting Down the Ace

Perhaps the students had never heard of the Ofuna crouch. The guards made the prisoner put his hands over his head, bend into a crouch, then stand on the balls of his feet. After five minutes it was excruciating. Sometimes it would last 30 minutes, sometimes several hours. If the prisoner fell over, he was beaten.

Or perhaps the students had never heard of the diet at the Ofuna camp: about 500 calories a day, mostly maggoty rice. The typical prisoner lost almost half his body weight, if he survived.