Luna is the traditional name for the moon of Terra. Humans first landed on Luna in the year 969.M2, making it the first world ever explored by humanity in the ancient past. Since then it has been colonized.

Birthplace of the Primarchs

The Emperor conquered and united Earth following the Age of Strife and then sent his forces to occupy the human colonies on Luna. It was in the lunar gene-laboratories that the Emperor began the genetic engineering processes necessary to create the Primarchs from his own genome. From the Primarchs' genes were created the first Space Marine Legions, transforming ordinary human men into superhuman warriors.

Luna's Strategic Importance

Luna is home to immense planetary defense lasers charged with protecting Terra from invasion. These defenses inflicted savage losses on the invading Traitor fleets of the Warmaster Horus, during the latter stages of the Horus Heresy.

The Imperial Shipyard

Luna was the greatest shipyard and naval base in the Imperium of Man at the time of the Great Crusade and the Horus Heresy. Luna also gave its name to the most common class of Imperial Navy cruiser called the Luna-class.

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