Zheng-tong: Year 8, Month 1, Day 28
27 Feb 1443
In the Jin-chi Command, the guard commander Chen Kai was promoted to assistant commissioner, the battalion commander Chen Guan was promoted to assistant guard commander and the battalion judge Li A-gang was promoted to deputy battalion commander. These promotions were made as, during the expedition against Lu-chuan, these officers had been able to open the road, directly reach Mu-bang and send captured family members of the bandit to the capital.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 26, page 2028