In the 35th century, mankind has colonized vast reaches of space, yet war remains constant as galactic governments and interstellar corporations fight for control of resource-rich planets and lucrative interstellar trade routes. And if centuries of war has taught man one thing, it's that planets are valuable and lives are cheap.

Sergeant Paxton Alejo is a League of Humanity Marine Commando, the best of the best. After getting sent to oversee a batch of fresh conscripts, Pax makes the fateful decision to sacrifice his life to save his subordinates. He is posthumously awarded the Cross of Honor, the highest military medal . . .

Life sucks. Gabe Harris has been clued into this fact for a long time now. In his mid-twenties, life has been nothing but low paying jobs, petty power-tripping bosses, and the worst roommates mankind has to offer. Bills, debt, and misery have haunted him for his entire adult life and, to make matters worse, it feels like his dream of being a writer is dead on arrival. One fateful night, he decides to take control of his life and make his dream a reality.

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.

The Revenant Program collects badly wounded soldiers broken by war and converts them into unthinking, unfeeling cyborg weapons. Their bodies are immune to pain, their minds impervious to fear and doubt. All controlled by a neural implant called the Imperative. They are the ideal force for any mission too deadly or too difficult for normal men. A force that answers to the darkest corners of the military. But when one of the Revenants awakens, he can only remember two things: that he must fight, and a code name…Dead Man.

Po Abbato turns to crime in a desperate attempt to free his younger siblings from debt slavery. He's caught, and offered a choice: Spend 25 years in a digital prison while his body rots...or join the Marines.

In war, there is no second place. To ensure victory, planetary governments employ private armies to help fight their battles. And the Berserkers are the best. As the galaxy's preeminent mercenary force, they are hired by governments and corporations to do jobs that are too tough, too messy, or too deadly for their own forces. Expertly trained and equipped with the most advanced weaponry, they are willing to do whatever it takes to fulfill a contract - if the price is right.

Lieutenant Bannon and his phalanx of Corvanite warriors have already seen some of the worst that the irregular war between the reptilian otuchans and the human latecomers can offer. Or so they think. First Sergeant Draven, trying to hold his company of Zolarian citizen soldiers together, has been on the desolate planet of Zhogalgan longer than Bannon. He's seen even more. Yet while they are both there as peacekeepers, they are not there to help each other.

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?

Jason Burke was a man hiding from himself in a small cabin high in the American Rocky Mountains when his simple, quiet life was shattered one night by what he first assumed was an aviation mishap. But when he investigates the crash, what he finds will yank him out of his self-imposed exile and thrust him into a world he could have never imagined.

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.

The scum hiding deep inside the Reach out along galaxy's edge thought they could kill her and not pay the price. For years these hardened killers have run roughshod over the lawless worlds where Republic justice is never as fast as the blaster in your hand and where double-crosses and death are a part of every deal. They thought this time would be no different. They were wrong. This time, the Guild sent the legendary bounty hunter Tyrus Rechs. As the infamous Rechs pursues the men who murdered his colleague, he's hell-bent on justice.

Jack Bennet returns from the war to find the life he left behind has moved on without him. The only option he has to make ends meet lies in a military surplus junkyard starship. What’s a former Combat Search and Rescue soldier to do? Fix up the ship, hire the cheapest pilot—a notorious drunk—and take the first contract that comes up: collect a bounty on one of the most ruthless killers in the Pirate Worlds, a place crawling with thieves, cutthroats and con artists whose primary language is violence. Jack must abandon his nice guy persona, or exploit it, if he is to survive.

Captain Max Ahlgren is proud to be one of the first team commanders in the Marine Corps’ nascent MARSOC detachment. Finally, the Corps’ elite warriors are working alongside those of other branches, battling insurgents, not on the front lines but behind them. After his first mission, however, Max learns he will be replaced as team commander.

The year is 1989. America has just invaded Noriega's Panama. And Specialist Bennett's platoon of Cav Scouts are in country… with, frankly, not a whole lot to do. Until a freak rainstorm somehow transports the entire platoon—Humvees, weapons, and all—to another world. A world controlled by a wicked Aztec god. The Land of the Black Sun. In a heartbeat, the Scouts find themselves fighting for their lives against savage beasts, witches, zombies, subhuman tribes seeking sacrifices… and even themselves.