The '''Shield Chapters of Ultramar''' are 10ten{{Fn|1}} [[Ultramarine]]-descended [[Chapters]], who that [[Lord Commander]] [[Roboute Guilliman|Guilliman]] has charged with permanently defending the [[Realm of Ultramar]]. In order to perform their duties, each Shield Chapter has command of a world within Ultramar, to use as their base of operations.{{Fn|2}}

*[[UltramarinesAquiloan Brotherhood]]{{Fn|2}} - [[Macragge]]{{Fn|23}}*[[Avenging Sons]]{{Fn|2}} - — [[Callimachus]]{{Fn(World)|2}}*[[Praetors of Ultramar]]{{Fn|2}} - [[Howsbridge]]{{Fn|2}}*[[Scythes of the EmperorCallimachus]].{{Fn|2}}*[[Sons of OrarDoom Eagles]]{{Fn|3}}

*[[Doom EaglesPraetors of Ultramar]] — [[Howsbridge]]{{Fn|2}} or [[Joros (Moon)|Joros]]{{Fn|4}}*[[Reborn (Chapter)|Reborn]]{{Fn|3}}*[[Aquiloan BrotherhoodScythes of the Emperor]] — [[Sotha]].{{Fn|32}}

*[[Reborn (Chapter)Sons of Orar]]{{Fn|Reborn3}}*[[Ultramarines]]— [[Macragge]].{{Fn|32}} ==See also==*[[Astartes Praeses]]*[[Adeptus Vaelarii]]*[[Maelstrom Warders]]*[[Wardens of the Gauntlet]]

*{{Endn|2}}: [[Dark Imperium (Novel)]]Second Edition, Chapter 20