They fight the wars nobody else wants to. The Frontier Corps are the Terran Empire's repository for failures, malcontents, criminals, and other people with nothing left to lose but to sign their names on the dotted line of a ten year contract for another shot at life. But flung across the stars to face horrifying enemies, it may as well be a death sentence.

Chase had it all planned out. Do a little time in one of the emperor's jails, say a four-year stretch, for getting rid of some trash that no one would miss, and when he got out, the path to leadership would be wide open. Unfortunately, his bastard of a father, the same one who left his mother to die in poverty and him to run wild on the streets, took an interest. Seeing him sitting on the bench when his case went to court was a shock. But not as big a shock as being sentenced to ten years in the Imperial Navy.

After more than 20 years in special operations, USMC Gunnery Sergeant Wolf Mathison wasn’t looking forward to retirement when—implanted with an experimental artificial intelligence—he deployed on his last mission with a platoon of Marine Raiders being sent to the Jovian moon Europa. The USS Jefferson was destroyed en route, though, and only Mathison and three other marines survived. Trapped in stasis, they were hurled into the outer reaches of the solar system, where they wouldn’t be found for hundreds of years.

Captain Caleb Card and his crew are on a mission to investigate a transmission believed to be from the lost ship. Ambushed upon arrival, they immediately fear the worst. But the beacon isn’t only active, it’s on the move, and where it leads will change everything they thought they knew about the universe. Cast into a distant galaxy brimming with unknown dangers, they’ll need to adapt quickly if they want to survive long enough to help the missing colonists.

Idealistic Navy Lieutenant Jacob Grimm just wanted to honor his mother’s sacrifice in the last great war. When he’s forced to return fire and destroy a squadron of ships to save his own, he thinks he’s the hero...until they discover the ships are full of children. Disgraced and denied promotion, Jacob’s career is over. That is until the head of ONI needs a disposable officer to command a battered destroyer on the rim.

Keel Hennity was one of the greatest gladiators in the universe, the victor of countless glorious battles. He was assigned to guard the most dangerous creatures on his home planet. Then he died, and his life truly began. When Keel's consciousness was downloaded into the robotic body of an Imperial Marine, he was tasked with protecting the emperor and controlling the incredibly dangerous creature that ended his first life. Can Keel unlock the secrets of Star Dragons and protect the galaxy from a dragon-human war that could end life as we know it?

Korri Fontenot left family behind on Earth a century ago to fight in a war that broke her body and her mind. Now, her great-granddaughter, Jackie, has followed in her footsteps. First as a Marine and then as a mercenary outlaw, Jackie has made the mistake of breaking into a secret corporate lab and stealing an ancient alien artifact. Dark forces want the artifact back.

Convicted of a minor traffic violation, Rev Pelletier is conscripted into the Perseus Union Marine Corps...for up to a 30-year term of service. Anxious to get back to his civilian life and job, Rev opts for a shorter term as a Marine Raider taking the fight to the enemy. But with extremely high mortality rates, can he and his friends survive until their term of service is over? 

Two centuries after the Confederation staved off an invasion by the robotic Locusts, Captain Jack Romanoff faces mandatory retirement from an ever-shrinking navy. Actions speak louder than words. The Confederation doesn’t think the Locusts are coming back. But what if the politicians are wrong?

Charlie Travers figures his life can’t get much worse. He lives over a pizza restaurant, he’s lost his girlfriend, and has no prospects for a career. Then, he’s abducted by an alien robot and taken across the galaxy. When he wakes up, he finds himself stranded thousands of light-years away, and about to be killed by space pirates.

Tired of sitting out the war on Psydon in a mobile office lab, Legion Lieutenant Washam agrees to undertake a covert and unsanctioned mission with a band of Republic Recon Marines. Inserted deep behind enemy lines, the strike force uncovers a surprise key to ending a bitter war. Now they must navigate a hostile jungle teeming with murderous alien rebels, pushing themselves to the limits of their abilities, to get this vital intel to Legion Command - if they can survive that long.    

Brad Mendoza is an idiot. He knows it, and so does everyone else. A promising naval career down the drain just, because he accidentally killed 504 civilians. So, it's time for him to give up and accept a dead-end command on Persephone, the worst ship in the fleet. Until he meets the beautiful and cunning Jessica Lin, his new executive officer, who harbors a terrible secret of her own. Now, he's in a race to save her and his stupid ship.

Go to war or go to jail. For small-time street hustler Cam Alvarez, the choice is simple.... He has no family, no friends, no place in the world...nothing to lose. When his latest con results in the death of a cartel hit man, Cam opts to join the Marines and leave Earth to fight a vicious alien enemy. Drafted into the Marine Drop-Troopers, Cam discovers there’s one thing he’s even better at than running street-con games, and that’s killing the enemy.

When Ben Murdock receives a text message offering a fully operational starship for sale, he’s certain it has to be a joke. Already trapped in the worst day of his life and desperate for a way out, he decides to play along. Except there is no joke. The starship is real. And Ben’s life is going to change in ways he never dreamed possible. All he has to do is sign the contract. Joined by his streetwise best friend and a bizarre tenant with an unseverable lease, he’ll soon discover that the universe is more volatile, treacherous, and awesome than he ever imagined.

When the Soviets invade Afghanistan, the governments of Jimmy Carter and Leonid Brezhnev jockey for position on the international stage. CIA operative Fred Poole races against the clock, decoding pieces to a Soviet puzzle leading to war.