Initially tasked primarily with border patrol of Manchukuo's western frontier with the Soviet Union, from April 1944, it participated in Operation Ichi-Go in northern China against the National Revolutionary Army of the Republic of China.
At first, its main duty was to patrol the western frontier of Manchukuo with the Soviet Union, starting from April 1944. Later, it participated in Operation Ichi-Go in northern China as part of a campaign against the National Revolutionary Army of the Republic of China.