Xuan-de: Year 1, Month 4, Day 3
9 May 1426
It was ordered that the Commander Xie Rong of the Firearms Division (神機營) and those from other divisions, a total of 510 persons, accompany the Cheng-shan Marquis Wang Tong in proceeding to subdue Jiao-zhi. This order was issued in accordance with a request memorialized by Tong.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 17, page 420