Space marines never say die. Andrew Ritchie loves nothing more than exterminating the alien roaches that have devastated humanity. But after the latest battle becomes a rescue mission, Andrew’s medical background draws the attention of a high-ranking officer—who reassigns him to the Valkyrie Medevac Corps. The new medevac unit is a game changer, combining Andrew’s skills as a marine and a medic. The state-of-the-art Valkyrie suits allow him to waste aliens while simultaneously saving human lives, offering humanity a fighting chance against a ruthless enemy. But the alien roaches aren’t about to scurry away in defeat. When Andrew’s team is dropped into a hot zone of death and destruction, the purpose behind the enemy’s carnage is brutally exposed. Andrew and his grizzled squad must now serve up a dose of vengeance—before this battle becomes their last.