Two full regiments of these volunteers were soon organized to augment the Regular Texas Army.
He joined the Texas Army at San Jacinto in 1836.
The Texas Army commissioned him as Major General in November 1835.
His character is quickly established as a man who seeks respect as a uniformed military officer, a lieutenant colonel in the Texas Army.
Texan civilians moved east ahead of the Texas Army, toward safety in Louisiana.
He later joined the regular Texas Army for a six month term on June 1, 1836.
The Texas Army was poorly armed, clothed and fed.
At the age of 26, he was a lieutenant colonel in the Texas Army.
Sion Bostick enlisted in the Texas Army at the age of 15.
On January 31, 1837, he became senior brigadier general in command of the Texas Army.