Hour of Victory PC
50 Achievements
1,000
20-25h
Xbox 360
Battalion Count
Take out 500 enemies in any mode
50
How to unlock the Battalion Count achievement in Hour of Victory PC - Definitive Guide
This will happen during your first play through, at least it did for me. If not, then you'll get it for sure by play through two or three.
This guide was translated automatically.
You don't have to worry too much, you'll definitely get it by the middle of the game. (This is if you play through it with three characters at the same time.)