Kammala jumla mai zuwa: Nau'in 96 na nau'in nau'in nau'i na 1st Battalion na 4th Border Guard Unit ya koma Manchuria zuwa Kotō Fortress don ƙarfafa kariya ta Japan a shirye-shiryen kai hari ga Soviet. Sojojin Japan suna da kagara takwas da aka gina a kan iyaka da Tarayyar Soviet, wanda Kotō kagara a kan Kogin Ussuri ya fi karfi. Babban sansanin soja, kama da Maginot Line, an tsare shi ta 4th Border Guard Unit. Ma'aikatan 1400 na da batura biyu na bindigogi da bindigogi, da bindigar jirgin kasa mai nauyin 240 na Type 90, da kuma Gwajin 41-cm Howitzer. Lokacin da Sojojin Red suka kai hari kan matsayin Jafananci a kusa da sansanin Kotō a
Operation Agusta Storm a watan Agusta 1945, an hallaka ma'aikatan jirgin.