When Lieutenant Alex 'Flex' Callahan encounters mysterious alien probes near Luna Station, no one believes his warnings—until it's too late. Human activity has awakened an alien presence deep in our Solar System. Now humanity faces extinction as this ancient and forgotten foe launches a devastating invasion. Their goal? To reclaim Earth as their ancestral home. Flying his Firebird fighter from the carrier ECS Vanguard, Flex leads the desperate fight against overwhelming odds. With superior technology and savage combat skills, the enemy steamroll through humanity's defenses, conquering colonies from Europa to Mars. Earth's last hope lies with its fighter pilots and their nerves of steel. Packed with intense space combat, advanced technology, and military action, Titan War delivers a punch-to-the-gut story of humanity's fight for survival. When defeat means extinction, there's only one victory at any cost.