Quickly shoot down the enemy helicopters that are landing!

You can save a lot of trouble, the enemy fell heavily in mid-air and the helicopter was killed together. Follow the tank and be careful of the RPGs on the roofs of the houses next to the street, you have to take care of them first! Here the enemy is everywhere, we recommend advancing from the right side of the street against the wall, to the front of the house was blown up half, go up to the second floor, beware of the enemy sneak attack