Conversation so far:
What is the brigade command?
Custer to brigadier general of volunteers, commanding the Michigan Cavalry Brigade.
What happened there?
Custer lost no time in implanting his aggressive character on his brigade.
How did he do that?
he "meticulously scouted every battlefield.

Question: What did he find as he scouted?
Self-contained rewrite: What did Custer find as he scouted?