2. Sato Ishikawa, the head of the North China Division of the Japanese Army, and Koichi Sato, the intelligence leader, regarded Ryotagu as a thorn in the side and constantly launched a terrible combing operation with the intention of undermining the deployment of our army in Taihang Mountain. Long Dagu has been involved in many risks and is on the verge of life and death. Thanks to the timely treatment of hospital surgeon Qin and the careful care of nurses, he was able to recover. During the War of Liberation, the Longma detachment was expanded into a Longma column to fight tough battles. Long Dagu and Yan Fan Zhen launched an uprising, wiped out the Sato brothers together and continued to go to a new battlefield.