At the request of the Chinese side, which could not overcome the pressure of Japan, the independence army units located in all parts of South and North Manchuria, especially in North Gando, moved to the direction of Milsan near the Sino-Soviet border to build a new anti-Japanese war base.

Seo Il (徐一) as president, Hong Beom-do (洪範圖) as vice president, Baek Soon (白純 and Kim Ho-ik) as advisors, Choi Jin-dong (崔振東) as foreign minister, Kim Jwa-jin (金佐鎭) as chief of staff, staff Lee Jang-nyeong and Na Joong-so as military advisers, Ji Cheong-cheon as a military advisor, Kim Gyu-sik as the 1st Brigade Commander, Park Yeong-hee as the Staff, Anmu as the 2nd Brigade Commander, and Staff Lee Dan-seung (李檀承), 2nd Brigade Cavalry Commander Kang Phillip, company commanders Kim Chang-hwan, Oh Gwang-seon (吳光鮮), and Jo Dong-shik (趙東植) were appointed.

[1][2][3] There was a brigade as an upper unit under the corps, and under it, three battalions, nine companies, and 27 platoons were organized, and the total strength was about 3,500.

[1][2] Paradoxically, the Korean Independence Corps became more desperate for support, including armament, clothing, and provisions, to maintain a large army.

[1][2][3] In December of that year, They crossed the Heilong River and were stationed in the Russian Free City Srabske area.

With the help of 500,000 Koreans and the Russian Red Army, they received weapons replenishment and sometimes participated in joint operations.

Meanwhile, Russia, anxious about domestic civil war after the revolution, was wary of discord with Japan and promised to disarm the Korean Independence Army.

actively Centering on Dongnyeong County in Manchuria, it expanded its influence along the Dongji line connecting Subunhe to Harbin.