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 of the world are ill prepared for such an attack.

Humanity's only hope are ASHURs, powerful armored combat suits named after the Assyrian god of war. The fight for survival will require ingenuity, cunning, and a furious application of destructive violence against the most unrelenting enemy mankind has ever known!

Tom Clancy meets Battletech in this thrilling series that pits humanity, world governments, and deadly alien invaders against each other.

The fight for tomorrow begins with the initial SPLASHDOWN...