78 years ago today, on July 31, 1947 (June 14, 1947 in the lunar calendar), the Northwest Field Corps was officially named the Northwest Field Army. On July 31, 1947, the Central Military Commission of the Communist Party of China decided that the Northwest Field Corps was officially named Northwest Field Army. Peng Dehuai was appointed commander and political commissar, Zhang Zongxun was appointed deputy commander (Zhao Shoushan was appointed second deputy commander in February of the following year), Xi Zhongxun was appointed deputy political commissar, Zhang Wenzhou was appointed chief of staff, Xu Liqing was appointed director of the political department, and Wang Zhengzhu was appointed deputy chief of staff. It has jurisdiction over the 1st and 2nd columns, the teaching brigade, and the newly formed 4th brigade. And formed the Frontline Committee of the Northwest Field Army of the Communist Party of China, with Peng Dehuai as the secretary. At the beginning of August, the 3rd and 4th columns of Shanxi-Suiyuan Military Region entered Shaanxi and were transferred to the Northwest Field Army. The total number of Northwest Field Army reached 45,000. General Peng, with outstanding military exploits