Adeptus Astartes (all Chapters)

The Space Marines: genetically engineered superhuman warriors organised into roughly a thousand Chapters of about a thousand battle-brothers each. Most follow the Codex Astartes laid down by Roboute Guilliman after the Horus Heresy, and since the Era Indomitus many have been reinforced with Primaris Marines. This entry gathers the unit types shared by most Chapters.

Further reading on Lexicanum