 Due to this shortage, the military's need for personnel competent in Japanese even before the US entry into World War II drove the MIS to establish its own specialized school aimed at training specialists to serve as interpreters, interrogators, and translators, the Military Intelligence Service Language School; initially based at the Presidio of San Francisco, it was later moved to Minnesota, first Camp Savage, and then later Fort Snelling.Most of the 6,000 graduates were Japanese American.At the same time, Japanese language schools on the West Coast aimed at heritage speakers were shut down due to the Japanese American internment.