Inheritance Trilogy is a series of military science fiction

Military science fiction

Military science fiction is a subgenre of science fiction in which the principal characters are members of a military service and an armed conflict is taking place, normally in space, or on a planet other than Earth...

 books written by Ian Douglas

William H. Keith, Jr.

William H. Keith is an American author. He served during the Vietnam War in the United States Navy as a hospital corpsman. He became a professional artist, working in the game industry with his brother Andrew, before becoming a full-time author...

 that focus on the United States Marine Corps

United States Marine Corps

The United States Marine Corps is a branch of the United States Armed Forces responsible for providing power projection from the sea, using the mobility of the United States Navy to deliver combined-arms task forces rapidly. It is one of seven uniformed services of the United States...

. The trilogy is the sequel to the Heritage Trilogy

Heritage Trilogy

Heritage Trilogy is a series of military science fiction books written by Ian Douglas that focus on the United States Marine Corps. It is followed by the Legacy Trilogy and the Inheritance Trilogy.-Background:...

 and the Legacy Trilogy

Legacy Trilogy

Legacy Trilogy is a series of military science fiction books written by Ian Douglas that focus on the United States Marine Corps. The trilogy is the sequel to the Heritage Trilogy and is followed by the Inheritance Trilogy....

.

List of novels

• Star Strike (2008)
• Galactic Corps (2008)
• Semper Human (2009).

Background

When the centuries-old refugee ship Argo

Argo

In Greek mythology, the Argo was the ship on which Jason and the Argonauts sailed from Iolcos to retrieve the Golden Fleece. It was named after its builder, Argus.-Legend:...

is destroyed by a Xul sentry, Earth is in danger yet again. After conquering Alighan of the Islamic Theocracy, the United Star Marines must fight the Xul, but unlike previous encounters, the Marines are taking the offensive. The United Star Commonwealth sends the 1st Marine Interstellar Expenditionary Force (1MIEF) to fight the Xul out in space so as to buy time for the rest of humanity. The 1MIEF decides to investigate a system where it appears an alien race caused its sun to become a supernova

Supernova

A supernova is a stellar explosion that is more energetic than a nova. It is pronounced with the plural supernovae or supernovas. Supernovae are extremely luminous and cause a burst of radiation that often briefly outshines an entire galaxy, before fading from view over several weeks or months...

. There they discover a race of aliens that fought the Xul before by destroying their suns. The Marines use one of these weapons to destroy a Xul base.

Ten years after the events of Star Strike, humans have located the homeworld of the Xul, deep within the galactic core. The 1MIEF wants to destroy the system, but misguided politics on Earth no longer support the war against the Xul and attempt to shut the mission down. Eventually a compromise is reached with a peace mission going along with the 1MIEF. The humans arrive at the exact center of the galaxy and discover a dyson sphere

Dyson sphere

A Dyson sphere is a hypothetical megastructure originally described by Freeman Dyson. Such a "sphere" would be a system of orbiting solar power satellites meant to completely encompass a star and capture most or all of its energy output...

 (or cloud) around the black hole

Black hole

A black hole is a region of spacetime from which nothing, not even light, can escape. The theory of general relativity predicts that a sufficiently compact mass will deform spacetime to form a black hole. Around a black hole there is a mathematically defined surface called an event horizon that...

in the center of the galaxy. The peace mission fails and the Marine forces cause a star to go off course toward the black hole destroying the Xul's dyson sphere.