An unknown enemy waits for war.
From the bottom of the oceans of the world a hidden threat stalks mankind - probing, testing our weapons and defenses, biding time to strike. In the summer of 2039 this aquatic foe unleashes surprise attacks against coastal cities around the globe. Mankind faces a sophisticated new enemy, arrived from the depths of space and lurking in the dark blackness of the seas. The United States and the rest...