The Infected Generator

You'll have to move fast to win, or you'll fail the mission. Shoot a bomb right in to it when it open to fire it's laser cannon. It take 2-4 hit to win, just do it fast before time runs out.

Star Wolf

Wolf. Leon, Pigma, and Andrew will stop at nothing to make sure you don't stop the bomb in the base, so get behind them and shoot them down to make quick work of this battle.