Marines: Crimson Worlds 1

Erik Cain joined the marines to get off death row. The deal was simple; enlist to fight in space and he would be pardoned for all his crimes. In the 23rd Century, assault troops go to war wearing AI-assisted, nuclear-powered armor, but it is still men and blood that win battles. From one brutal campaign to the next, Erik and his comrades fight an increasingly desperate war over the resource rich colony worlds that have become vital to the economies of Earth's exhausted and despotic Superpow...