Solar Kill - The Sand Wars, #1

The last Dominion Knight and master of true battle armor will challenge a star empire to avenge the betrayal of his command. Ordered to fight an impossible war as the Thrakian enemy advances and churns once-living worlds into pits of sand, the knights are sent into one last stand.and no one survives. No one but Jack Storm. Abandoned and adrift in a coldsleep vessel, he disappears into history until he is found and awakened.
Now Jack will search the starways for the ambition and corruption that hides at the very heart of the Empire. He won't stop until he has answers and his vengeance.