A two-week supply of rice would mean a load of thirty to forty extra pounds per soldier. When added to his other gear, this exceeded the optimum load for a soldier moving by foot in the rugged landscape of the northwest. Porters were thus essential, but a porter too needed to eat. If he started with sixty pounds of rice, at the end of two weeks he would have only enough left to feed himself on the return journey to his starting point. By day fourteen, therefore, he could turn over only enough rice—two pounds—to feed a soldier for a single day. For Giap, there was no way around it: His units,
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