剧情介绍：

That day is seared into the memory of every human being on the planet: the day the world changed. First came the attack on the Philippines. Within days they spread, as though appearing out of nowhere, striking out at more islands, forging a foothold in the South Pacific. Then came the first attack on U.S. soil - Los Angeles - and the reality became clear: our world was at war once again, but this time with an enemy from beyond our galaxy. Now, months later, the fate of the world hangs in the balance as a mission to strike at a key enemy installatio..