Conversation so far:
What role did Byron M. Cutcheon play in the civil war?
On November 16, 1863, he was promoted to lieutenant colonel, and by order of the U.S. War Department, he was made colonel on November 21, 1863.

Question: What else did he do in the war?
Self-contained rewrite: What else did Byron M. Cutcheon do in the war besides becoming a colonel?