Conversation so far:
what did Edward Canby do in the military?
During his early career, Canby served in the Second Seminole War in Florida and saw combat during the Mexican-American War.
What part of the military was he in?
where he received three brevet promotions, including to major for Contreras and Churubusco.
Was he in the Army?
CANNOTANSWER.

Question: Anything else about his military career you can share?
Self-contained rewrite: Along with being in the military, is there anything else about Edward Canby's military career you can share?