local area could not support three mechanized divisions, and most of the nationalist force had to withdraw in order to avoid the logistic nightmare, and the main force had to be deployed in other regions, including Bin (邠), Zhongbu (中部), Shibao (石堡), Xingping (兴平), Chunhau (淳化) and Yao (耀) Counties and Xi'an. Only six companies were left behind to guard the newly conquered territory, including two heavy machine gun companies, and four infantry companies, with the crack troop nicknamed the "Ever Victorious Company", the 4th Company of the 2nd Battalion of the 3rd Regiment of the nationalist 59th Temporary Organized Division guarding the main peak of the Yetai Mountain (Yetai Shan, 爷台山). To strengthen their positions, seven additional machine guns were assigned to the "Ever Victorious Company". The nationalists also drafted most of the local population to build over a dozen bunkers interconnected by trenches to fortify their positions. Communists were determined to dislodge the nationalists from their positions. Five battalions of the Communist New 4th Brigade and a mountain gun crew were assigned as the main force of the first attack wave, and they were to be helped by the 1st and 3rd Garrison Regiments of the Communist 1st Garrison Brigade. They were tasked to annihilate nationalists in the regions of Yetai Mountain (Yetai Shan, 爷台山), Laozhuangzi (老庄子), and Song Family's Pit (Songjiawa, 宋家洼). The 358th Brigade was the second wave deployed in the region of Phoenix Mountain (Fenghuanshan, 凤凰山) and Zhaojin (照金), and join the fight if necessary, but its main tasks was to prepare for the possible nationalist counterattack that would certainly follow. The 1st and 2nd Training Brigade deployed in the region of Ridge Gulf (Lingwan, 岭湾) and Shangzhenzi (上珍子) as general reserve were tasked to protect the rear. After the Communist force regrouped at the region of Horse Fence (Malan, 马栏), they set out on 7 August 1945 and the communist temporary headquarters was also moved forward from Horse Fence (Malan, 马栏) to Mianlu (免鹿) Hamlet at the foothill of Phoenix Mountain (Fenghuanshan, 凤凰山), 10 km away from Yetai Mountain (Yetai Shan, 爷台山). Third stage At the dusk of 8 August 1945, Communists secretly approached the nationalist positions and dug in. At midnight, the attack begun, but their advance was checked by the stubborn nationalist defense. By 4:00 AM of 9 August 1945, only the 771st Regiment of the New 4th Brigade succeeded in taking