Starfist: Firestorm

Combat vets David Sherman and Dan Cragg know firsthand the courage, sacrifice, and hell of war-and their experiences have made the popular Starfist novels thrill rides of the highest order. Now the explosive action continues on the remote planet Ravenette, where the Marines of the Confederation's 34th Fleet Initial Strike Team (FIST) find themselves up against a full-fledged rebellion-and a lethally loose cannon of a commanding officer.
Desperate to thwart unrelenting aliens and their quest to obliterate humankind, The Confederation has beefed up its defenses. But to the citizens on the outer edges of Human Space around Ravenette-unaware that a deadly enemy even exists-the government's move seems oppressive, and ten planets have responded with a war of secession. In touch-and-go battles with the seceding planets, the 34th FIST has emerged battered but unbowed, refusing to give up .