Book picks similar to
Their Darkest Hour by Christopher G. Nuttall


science-fiction
sci-fi
alien-invasion
military-sci-fi

Scouts Out: Books One and Two


Danny Loomis - 2016
    He and his team battle to drive the enemy from star systems under protection of the Confederation. His courage and fighting abilities are tested to their utmost, as he rises through the ranks of the LRS and beyond. Small unit skirmishes build to full-scale combat on planet surfaces, and serve as a counterpoint to violent conflict in space.

Life Warrior


Saxon Andrew - 2012
    This new series takes place in the Stars Realm’s Universe and has some of the species from the Annihilation Series. With new Characters and powerful enemies, the series will hook you from the start.The powerful advance of aggressive civilizations has taken a toll on thousands of peaceful civilizations and the Realm is losing ground. With the loss of psychic abilities, there is no one to fly the most powerful warships of the Realm and many of the enemies possess more advanced technologies. A psychic species that kills everything it touches has killed all life on thousands of planets and are expanding into the Realm. Three infants are the only ones to ever survive a Dremor attack and no one knows why they weren’t killed. These three brothers will play an important role in determining the possible survival of the Realm. The three know they share a common destiny but first they must don the armor of a Life Warrior.The action continues in Life Warrior as the Bristone Realm continues the struggle to survive a tsunami of enemy warships led by a species that has never tasted defeat.

War World: Falkenberg's Regiment


John F. Carr - 2018
    Falkenberg was created by Jerry E. Pournelle and made his first appearance in “Peace With Honor” in Analog Science Fiction and Fact in 1972. That and other Falkenberg stories appeared in his fix-up novel, The Mercenary. Colonel Falkenberg and his 42nd Marine Regiment served as the last line of defense of the CoDominium and its many colonial words. This book continues the Falkenberg story, detailing his adventures and those of the 42nd CoDominium Marines on Haven (War World) and on Churchill, as Falkenberg and Admiral Lermontov struggle to keep the CoDominium from fracturing. On Haven the Colonel finds himself set between the Mahdi and his fanatical forces, on one hand, and Dover Minerals and the Bronson family, on the other hand. While on Churchill, Falkenberg is called upon to rectify the problems caused by the CoDominium Bureau of Relocations wholesale dumping of antagonistic populations on the hardscrabble world of Churchill, previously settled by British subjects in favor of the monarchy. Nor, does it help when the Brotherhood, a conspiracy of colonial CD military officers, gets involved providing weapons and money to the rebels.

Scout Force


Rodney L. Smith - 2011
    His redemption comes as he is recruited into the elite and secretive Scout Force. Follow Kelly’s adventures as an officer in the Galactic Republic Fleet’s Scout Force, protecting humanity’s frontiers from human treachery and an onslaught by the expansive, hostile K’rang Empire.

Reprieve


C.R. Daems - 2021
    What price would you be willing to pay for a cure? Any price? Are you sure?Would it be worth agreeing to join an alien nation offering a cure but without any of the messy details?* who and what are the aliens,* proof they can cure you,* why they want people from Earth,* the alien's specific needs,* what they expect from those they cure,* but knowing they will never see Earth again.Kayla, a seventeen-year-old teenager, and others with an assortment of lethal medical conditions are about to find out the price of life.

Standing With Righteous Rage


William Alan Webb - 2020
    Steeple’s dream of a totalitarian America under his hand as benevolent dictator can now become a reality, even if it means making common cause with America’s mortal enemies. No treachery is too great to fulfill his ambitions, and those of his friends.But American patriotism doesn’t die that easily, and Steeple just might find out that men and women still exist to protect those who can’t protect themselves. Regardless of the odds, some people take their service oaths seriously, even unto death.Such courage always has a cost, though, and this time the cost is high.

The Irish Brigade: A Fallen Empire Novel


J.F. Holmes - 2020
    

Rogue


David Ryker - 2019
    The best of the best. And now he's gone Rogue... His entire life, all James 'Red' Maddox has known is war. He was born on a dust rock called Genesis-526, conscripted into the Federation military with thousands of other recruits, and somehow stumbled into the Mech Corps. It was a moment that changed his life. Mech Corps pilots are the best of the best. They sit in the cockpit of iron beasts that tower into the sky, fighting alongside men and women who have been bred for their task since birth. Perfect reaction times. An almost inhuman level of concentration. The courage to throw themselves into the fight day after day, year after year, knowing that their mechs are sent into the crucible of the fight, into the heart of danger—and expected not just to survive, but to win... But Red is getting real tired of putting down rebellions on colony planets he's never heard of. Of pulverizing alien planets before he ever even learns their name. Of losing friends, lovers, and brothers in the service of an empire that doesn't care whether he lives or dies. Every man has his breaking point. And Red just found his...

Savage Stars (Chaos Core Book 3)


Randolph Lalonde - 2018
    That means going to the Geist System, which is about to become the most prized looting target in the galaxy. Governments, raiders and corporations alike are ready to go to war over the advanced technology there, and Spin has to lead her people straight into the middle where she's unsure of what other obstacles the mad artificial intelligences have left for them.

The Planetsider Trilogy Books 1-3


G.J. Ogden - 2019
    He longs to know what caused the apocalypse, but when mysterious soldiers crash to the planet’s surface in search of a planetsider and offering the truths he desires, Ethan must abandon his home and take sides in a deadly war that has raged for generations. Who will he choose to save and can he himself be saved?The Planetsider Trilogy is a gripping, post-apocalyptic military thriller and a journey of discovery, as Ethan uncovers the dark past of his planet and becomes embroiled in a war that threatens to the fate of two civilizations, and the existence of life itself, planetside.The full three book series comprises: 1. The Planetsider2. The Second Fall3. The Last of the Firsts

We Dare


Eric Thomson - 2019
    The Marines of Ghost Squadron are humanity’s foremost black ops specialists who strike without warning and vanish without a trace.  They will do whatever is necessary to protect humanity anywhere in the known galaxy.  With the Commonwealth increasingly unstable thanks to venal politicians, greedy financiers, and power-hungry revolutionaries, they don’t lack for missions.When an undercover Constabulary officer vanishes after uncovering a massive cartel-run human trafficking operation, the Commonwealth’s interstellar police force calls for help from Naval Intelligence.  Because the cartel’s operations could upend the delicate political balance between the older core worlds and the more recently colonized outer star systems, Ghost Squadron gets the job.  Its mission: find the missing Constabulary officer and choke off the growing slave trade bedeviling humanity’s perilous galactic frontier.Ghost Squadron’s commanding officer, Lieutenant Colonel Zachary Thomas Decker, spent the last ten years as a Naval Intelligence agent.  His job was thwarting plots and terminating the Commonwealth’s internal enemies alongside his partner, a trained assassin.  Now, with several hundred of the deadliest Marines ever fielded at his back, Zack Decker will change the course of history and usher in a new era. Humanity's interstellar empire ended in "Ashes of Empire."  Witness its birth a thousand years earlier in Eric Thomson's new series "Ghost Squadron."

Cherry Drop (Abner Fortis, ISMC Book 1)


P.A. Piatt - 2021
    When he makes his first combat drop, or cherry drop, he’s a know-nothing second lieutenant added to the mission roster as an afterthought. The Space Marines are tasked to support the Galactic Resource Conglomerate (GRC) while they test a revolution in military technology: Precision Crafted Soldiers (PCS). All the Space Marines have to do is kill bugs. Even when a tragic accident leaves Fortis in command, the mission is still an easy breather. When the Space Marines discover proof of a long-buried betrayal, though, friends become enemies, and their mission goes awry. Does Fortis have what it takes to lead the Space Marines to survival in the face of overwhelming odds?

The Alliance Trilogy


Michael Wallace - 2019
    The aliens are Adjudicators, an ancient race whose ethos is to judge other species and reduce their survivors to a stone age existence.Tolvern sends a desperate message back to headquarters and retreats with her damaged ship to friendly systems. By the time she returns, the aliens have already invaded Alliance territory with a powerful fleet of star fortresses and accompanying dragoon ships, trapping and laying siege to the allied fleet.While repairing her ship, Tolvern cobbles together a squadron of damaged allied warships, former raiders, and the local survivors of an Adjudicator attack to drive off the alien fleet.The following books are included in this set:Alliance StarsAlliance ArmadaAlliance Insurgent

Hard Drop


Will van der Vaart - 2013
    Their objective is classified, marked only by coordinates leading them into a deserted city at the heart of the fighting. From the beginning, everything possible goes wrong. A missile strike rocks the carrier mid-launch, and only a fraction of the unit reaches the surface alive.Outmanned, outgunned, and scattered, with a hard deadline to orbital bombardment looming, it is up to Drop Commander Tyco Hale to rally his troops and reach their objective. But what they find, hidden deep in the tunneled passages under the city, will change everything about what he fights for and what he believes in. With the unit in tatters and loyalties divided, the choice he makes in the dark will seal all of their fates - and much more besides.

Surprise Battle: A Different Outcome


Thomas Trimble - 2020
    He is the Captain of the USS Joseph Kane, a 2015 Virginia Class, Fast Attack Nuclear Submarine. The strange force has taken the boat and all the crew back to 1942 in the middle of WWII. In fact, the Navy Command at the time, not even knowing what a nuclear submarine is, ordered him into the middle of the battles near Guadalcanal during the amphibious landings. Starting with the Battle of Savo Island which in history was a harsh loss of brave Allied sailors. What will the outcome of the new battles be and will this cause the possible paradox in time? Come with Captain Richey and the crew and travel into an Alternate History.