The [b]Adeptus Astartes[/b] (Space Marines) are a tabletop army in [[Warhammer 40K]]. They are a faction within the Imperium of Man, and consist of genetically modified warrior monks. The Adeptus Astartes is split into many chapters of a thousand marines. Each chapter has their own distinct appearance, and some differ quite a bit in terms of traits and tactics. Space Marines are known for wearing massive [[power armor]], painted in their chapter's colors, and wielding [[bolter]]s.

h4. Chapters
* [[Dark Angels]] - I - led by [[Lion El'Jonson]] - Loyalist
* [I]DELETED[/I] - II - led by [b][REDACTED][/B] - ???
* [[Emperor's Children]] - III - led by [[Fulgrim]] - Traitor
* [[Iron Warriors]] - IV - led by [[Perturabo]] - Traitor
* [[White Scars]] - V - led by [[Jaghatai Khan]] - Loyalist 
* [[Space Wolves]] - VI - led by [[Leman Russ]] - Loyalist
* [[Imperial Fists]] - VII - led by [[Rogal Dorn]] - Loyalist
* [[Night Lords]] - VIII - led by [[Konrad Curze]] - Traitor
* [[Blood Angels]] - IX  - led by [[Sanguinius]] - Loyalist
* [[Iron Hands (Warhammer)|]] - X - led by [[Ferrus Manus]] - Loyalist
* [I]DELETED[/I] - XI - led by [b][REDACTED][/B] - ???
* [[World Eaters]] - XII - led by [[Angron]] - Traitor
* [[Ultramarines]] - XIII - led by [[Roboute Guilliman]] - Loyalist
* [[Death Guard]] - XIV- led by [[Mortarion]] - Traitor
* [[Thousand Sons]] - XV - led by [[Magnus the Red]] - Traitor
* [[Black Legion|Luna Wolves/Sons of Horus/Black Legion]] - XVI - led by [[Horus Lupercal]] - Traitor
* [[Word Bearers]] - XVII - led by [[Lorgar Aurelian]] - Traitor 
* [[Salamanders (Warhammer)|]] - XVIII - led by [[Vulkan]] - Loyalist
* [[Raven Guard]] - XIX - led by [[Corvus Corax (warhammer)|]] - Loyalist
* [[Alpha Legion]] - XX - led by [[Alpharius Omegon]] - Traitor

h6. Other Foundings
* [[Black Templars]] - Successor chapter of [[Imperial Fists]]
* [[Blood Ravens]] 
* [[Marines Malevolent]]
* [[Red Scorpions]]
* [[Carcharodons]]

h4. See also
* [[Chaos Space Marine]] - Chaos counterpart
* [[Primaris Space Marine]]
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