The Fantasy Review’s list of 6 Military Sci-Fi Books with Philosophical Undertones.
The Forever War (The Forever War, #1) by Joe Haldeman
From the blurb:
The Earth’s leaders have drawn a line in the interstellar sand–despite the fact that the fierce alien enemy they would oppose is inscrutable, unconquerable, and very far away. A reluctant conscript drafted into an elite Military unit, Private William Mandella has been propelled through space and time to fight in the distant thousand-year conflict; to perform his duties and do whatever it takes to survive the ordeal and return home. But “home” may be even more terrifying than battle, because, thanks to the time dilation caused by space travel, Mandella is aging months while the Earth he left behind is aging centuries…
Starship Eternal (War Eternal, #1) by M.R. Forbes
From the blurb:
———————————————-A lost starship…A dire warning from futures past…A desperate search for salvation…———————————————- Captain Mitchell “Ares” Williams is a Space Marine and the hero of the Battle for Liberty, whose Shot Heard ‘Round the Universe saved the planet from a nearly unstoppable war machine. He’s handsome, charismatic, and the perfect poster boy to help the military drive enlistment…
Ancillary Justice (Imperial Radch, #1) by Ann Leckie
From the blurb:
On a remote, icy planet, the soldier known as Breq is drawing closer to completing her quest.
Once, she was the Justice of Toren—a colossal starship with an artificial intelligence linking thousands of soldiers in the service of the Radch, the empire that conquered the galaxy.
Now, an act of treachery has ripped it all away, leaving her with one fragile human body, unanswered questions, and a burning desire for vengeance…
Bolo (Bolo #1) by Keith Laumer
From the blurb:
Unrivaled in the history of artillery and unsurpassed in its ability to reason, Bolo replaced man in that most human of endeavors: war.
In these scintillating tales of the ever-advancing Dinochrome Brigade, the most effective weapons ever devised ell their own story in action-packed chronicles of extra-terrestrial adventure…
Steel World (Undying Mercenaries, #1) by B.V. Larson
From the blurb:
In the twentieth century Earth sent probes, transmissions and welcoming messages to the stars. Unfortunately, someone noticed.
The Galactics arrived with their battle fleet in 2052. Rather than being exterminated under a barrage of hell-burners, Earth joined their vast Empire. Swearing allegiance to our distant alien overlords wasn’t the only requirement for survival...
Live Free or Die (Troy Rising, #1) by John Ringo
From the blurb:
First Contact Was Friendly
When aliens trundled a gate to other worlds into the Solar System, the world reacted with awe, hope, and fear. The first aliens to come through, the Glatun, turned out to be peaceful traders, and the world breathed a sigh of relief.
Who Controls the Orbitals, Controls the World…