Come out to the defense of the city and clean it from terrorists. At first, your army will consist of one fighter. But, over time, you will be able to expand your troops and increase the number of combat units. To make this possible, successfully complete mission after mission. Spend your money wisely on hiring new fighters and improving weapons. Also, don't lose your vigilance. At first, neutralizing the terrorists will not be easy. But, over time, they will understand what's what and will actively defend themselves and try to destroy you. Keep your finger on the pulse that the city has become calm and safe again.