War Of Tank Fighter

Are you ready for a tank fight? Tanks ,bullets and Aliens are trapped in the bubble. Fight this war to rescue all the tanks and Bullets by tapping at the tank and bullet. Fighters are given 4 bullets maximum and ever bullet tapped will contribute extra bullet to fighter. Miss a tank or bullet will deduct fighter’s bullet. DO NOT tap the Alien trapped inside the bubble! What will happen if Alien is free from bubble?