You are the commander of an elite unit in the composition of the forces of the earth. Today you have to confront the army of aliens who attacked the planet. Your first priority is to train your fighters to work with any type of weaponry – from a missile launcher to space ships. Then expand your territory and knock out all enemies from their positions. But do not forget the same about defense. After all, not only you can attack. Build defenses and develop your technology for the manufacture of more modern weapons.