Air Battle WW2 - Protect your Airplane

THIS IS THE WWII AIR COMBAT GAME!
In this game,you are charged with protecting a very important bomber.but unfortunately the enemy finds it.
While the bomber is in the air,it is under attack from all directions.
And the only thing keeping it in the air is a rain of bullets from your machine guns.
Shoot down any enemies that try to attack the bomber.Keep fighting as long as possible and earn money to purchase new weapons and repair the bomber.
It's not a air war game,but also shooting simulator game,in it you can train your combat skills,improve your accuracy.
Good luck!