In the 25th century, humans have conquered space. The advent of faster-than-light travel has opened up hundreds of habitable planets for colonization, and humans have exploited the virtually limitless space and resources for hundreds of years with impunity. So complacent have they become with the overabundance that armed conflict is a thing of the past, and their machines of war are obsolete and decrepit. What would happen if they were suddenly threatened by a terrifying new enemy?

The Confederated Systems Alliance has spread to dozens of systems, creating the first true interstellar alliance dedicated to bringing peace and prosperity to all inhabited worlds. Unfortunately, some see this new alliance as a threat to their own seats of power, and would do anything to stop it. After a well deserved rest, Captain Nathan Scott is once again called into action. This time, it is not the fate of the galaxy that is on his shoulders, but the life of one of his dearest friends. But not all is as it appears.

Across the six-planet expanse of the Gaia System, the Earthlike Gretia struggles to stabilize in the wake of an interplanetary war. Amid an uneasy alliance to maintain economies, resources, and populations, Aden Robertson reemerges. After devoting fifteen years of his life to the reviled losing side, with the blood of half a million casualties on his hands, Aden is looking for a way to move on. He’s not the only one. A naval officer has borne witness to inconceivable attacks on a salvaged fleet. A sergeant with the occupation forces is treading increasingly hostile ground.

After two brutal, bloody struggles for their very existence against implacable alien foes, humanity is victorious, but not at peace. As distrust and accusations consume the political discourse between the two major factions, the Eastern Star Alliance military has already begun executing small raiding missions into United Terran Federation space. The Federation fleet, still reeling from the last war, is in no shape to try and protect its own borders.

The Phage War had been a devastating conflict for the Terran Confederacy. Even with the destruction of their terrifying, implacable foe, humanity is still reeling. Political alliances are crumbling, and their mighty fleet is in tatters. There is nothing to celebrate, even after such a complete victory. They soon learn that there are other stellar neighbors - and they've been watching the conflict with great interest. One species comes with an offer of friendship and alliance, but humanity is weary and distrustful.

A cease-fire that has lasted seven years... Worlds half-destroyed that have been rebuilt anew... Friends and crewmates scattered light-years apart... New leaders that would be kings... The Jung threat has been renewed, in ways not imagined. It will take a new savior to inspire the masses, and once again lead those willing to fight against oppression. But who will the new savior be?

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.

A forgotten colony of humans live on a water world circling a tiny, faded star on the edge of the galaxy. The crew of their newest flagship, the Rampart, encounters an alien scout who is being chased by a dangerous foe. The encounter shakes the beliefs held by the people of Lashmere. With the aid of the mysteries of the origin tablet, they discover the true origins of their colony. These may be the last humans in the universe. Can they survive against their ancient enemy? Their only choice is to embrace an unknown past and fight with everything they have.

Humanity has reached an uneasy truce with the Empire—but unless the allies bring the fight to the enemy, extinction is all but assured. In preparation for the inevitable next war, Commander Stephen Michaels is at the helm of the Archangel Squadron, and his orders are simple: go rogue. Disguised as mercenaries, Commander Michaels and the Archangels seek valuable intelligence on their imposing foe. Their mission takes them deep into uncharted territory, where they make inroads with the Empire, fiercely guarding their true identities and purpose.

Naval Officer Jack Samson thought a posting to the frontier of human-inhabited space was the death blow to his career. He couldn't have been more wrong. A routine inspection of a small merchant vessel leads to devastating loss and the discovery of strange, fascinating objects. As astonishing discoveries unfold, a mysterious and hostile ship proves that Samson has a competitor in unlocking the secrets of an ancient alien civilization and that humanity might not be alone in the galaxy after all.

Mars and the Moon have been colonized, piracy runs rampant in the asteroid belts, and a thriving society grows in the depths of space. Humanity prepares to embark upon its greatest journey - the colonization of Alpha Centauri. Then, everything changes. A deep space reconnaissance probe discovers a new Earth-like planet 12 light-years from Earth’s sun. The probe also finds something unusual, something unnerving. A new mission is created, a space fleet is formed, and humanity embarks on unravelling the greatest mystery of all - the origins of life itself.

Lieutenant Sam Bitka, US Naval Reserve, is getting used to civilian life when he is called back to active duty. Tensions between Earth and the alien Varoki are on the rise, and Sam is assigned as tactical officer aboard the deep space destroyer USS Puebla. Dispatched to the distant world of K'tok to protect human colonists, he wants nothing more than to serve out his active duty time and get back to his civilian life. But when the Varoki launch a crippling surprise attack against the Earth coalition fleet, Sam finds himself suddenly in command of the USS Puebla.

Harmon Tomeral wanted nothing more than to go to space. Sent to an orphanage when his parents were killed in a sandstorm, the odds were stacked against him. Despite that, he made it to the academy and graduated in the top 10 percent of his class...only to find out the fleet did what it wanted, regardless of regulations, and he came from the wrong planet. He didn’t give up his dream, though, because where there’s a will, there’s a loophole, and Harmon and his friends found their loophole in the Top Fleet Marine competition - the winner would get 100,000 credits....

Max Robichaux’s thrilling adventures didn’t begin on 21 January 2315 when he took command of the USS Cumberland at the age of 28. Before that date, Max became an expert on battle tactics, the psychology of command and leadership, the customs and fighting techniques of the mysterious and powerful Vaaach race, and more. In June 2304, the 16-year-old green Ensign Max Robichaux is given a small but fast and stealthy ship to penetrate enemy space, observe a mock attack on a new kind of enemy battle station, and return with information on the station, enemy weapons, enemy tactics, and other valuable intelligence.

Iran has been invaded. And America responds in a grueling counterattack by air, by sea - and by a brave new technology that will redefine war. The most sophisticated laser defense system ever. It is called Silver Tower. And it will change the balance of world power forever.