Keep Them at Bay

This wretched Westfall Brigade is proving a tougher opponent than we'd thought. Though few in number, they fight well and bravely, but we cannot afford to wait them out.$B$BConqueror Krenna's orders were to capture the port quickly. You must break the stalemate, $N. Find the enemy's marines and slaughter them until the resistance ceases. Only then will we be able to claim ownership of the port.$B$BGo quickly. We don't want to keep Conqueror Krenna waiting.