Tank groups are invading our city,and our headquarter is in great danger,if we fail to win the battle,this could result in the lose of war and all our fellow countryman may get slaughtered. We need to safeguard our headquarter,we need to safeguard our innocent people,we need to win the battle,and we need to win the war. As a soldier,it's your mission to take down enemies tanks and safeguard the city. It's the call of duty,it's your destiny to take part in this war,now your mission is simple but tough,safeguard the headquarter and take down whoever get close to it. Be aware that you are not fighting alone,you have your ally teams who can help you during the battle.