Conversation so far:
What happened in Canby's early military career?
Canby served in the Second Seminole War in Florida and saw combat during the Mexican-American War.
What was Canby's rank in the military?
where he received three brevet promotions, including to major for Contreras and Churubusco, and lieutenant colonel for Belen Gates.
What did Canby do in the Mexican-American war?
saw combat.

Question: What else did Canby do in his early military career?
Self-contained rewrite: What else did Edward Canby do in his early military career other than fighting in war?