Hellburner - C J Cherryh - Bog

At last, the sequel to Heavy Time, by a Hugo Award-winning, New York Times bestselling sf star. Pollard and Dekker have joined the fleet in its ongoing corporate war with the political factions of the Earth Company. But forces conspire to use the two as lab animals in a battle for humanity's soul. Now Pollard and Dekker must weild the awesome power of Earth's most secret weapon to save themselves.