Your unit as the most experienced aimed at protecting the military base. To protect you from it will be the enemy army approaching from the south side of the river. Organize defenses quickly, until the enemy came to you. Once set his troops, and it can be as snipers, soldiers with guns, flamethrower, and others, which you can open passing game. After the battle, it will be possible to improve the troops using points earned. At higher levels, you will need to protect multiple points, so manifest strategist skills.