you will drive a helicopter. You could click and hold mouse to raise release to lower. Once it starts, you will find a helicopter which is ready to fly. You can use your mouse to fly higher and lower. Press your mouse in order to let the helicopter fly to the blue sky. There will have some aircrafts in the sky. What?s more, there are also obstacles between the sky, if you reach the obstacles, you will also lose the game. So when you fly, you have to notice the other aircrafts. If you do not fly very well, you will crash to the other aircrafts. Many people have the dream to become an air force, and this game can give you an opportunity to make your dream come true.