Cika jumla mai zuwa:
Bayan mamayewar Rasha ta Finland a 1939, Sojojin Amurka sun fara gina sansanin horo da za a kira shi West Yellowstone Winter Training Camp kusa da tashar Henrys Lake. An kirkiro tsare-tsaren da suka hada da filin horo na 100,000 wanda zai iya daukar ma'aikata 30,000. An gina wasu gine-gine a 1941, amma an umurce su da su rushe a 1942. A lokacin, sojoji ba su bayar da wani dalili ba don juyawa shirin. Daga baya wani mazaunin Ashton ya gano cewa sojoji ba sa son tsoma baki tare da swans na trumpeter waɗanda ke amfani da tafkin a matsayin wurin kiwo. An sauya shirin horon hunturu zuwa Fort Drum a New York.