Metal Slug: Firingtime out of Danger

you pilot a new over modern spacecraft. And today, you get to a new planet. It is very similar to our own, but it did not land. And then you immediately began to attack the alien aircraft. Apparently you considered your enemy. Although, who knows? You now need to beat. Rather Flew all aircraft, if necessary bring down, in order to survive. Remember, the main goal - not to die.