Changes

*[[Lord Commander of the Imperium]] is the highest known military rank within the Imperial hierarchy, second only to the [[Emperor]] himself.{{Fn|61}}

*a [[Lord Commander of the Imperial Navy]], has jurisdiction over the Imperial Navy in a [[Segmentum]] of the Imperium.{{Fn|72}}

 ==Imperial Army==*a [[Lord Commander of the Expedition Fleet]], a position in the [[Imperial Army]] during the [[Great Crusade]]

*a [[Legion Master]], sometimes named '''''Lord Commander''''' was a title indicating the command of a [[Space Marine Legion|Legion]], before the [[Primarch]]s were rediscovered.{{Fn|125}}*a [[Lord Commander (Legiones Astartes)|Lord Commander]] became the title given to the [[Praetor (Rank)|Praetors]] in charge of a [[Space_Marine_Legion#Strategic_Disposition_of_a_Space_Marine_Legion|Chapter]] during the [[Great Crusade]].{{Fn|144}}*In [[M41]], the [[Silver Skulls]], styles its [[Chapter Master]] as '''Lord Commander'''.{{Fn|196}}

*The [[Knights of Knight House|Knightly]] [[House Taranis]], was [[High King|ruled ]] by joint commanders , each known as a '''Lord Commander''' of the Knights of Taranis.{{Fn|83}}

*{{Endn|61}}: [[Codex: Ultramarines (2nd Edition)]], {{Cite This}}*{{Endn|72}}: [[Eye of Terror (Novel)]], {{Cite This}}*{{Endn|83}}: [[Mechanicum (Novel)]], {{Cite This}}*{{Endn|124}}: [[The Horus Heresy Book Two One - MassacreBetrayal]], pgpgs. 6529-31*{{Endn|145}}: [[The Horus Heresy Book One Two - BetrayalMassacre]], pgspg. 29-3165*{{Endn|196}}: [[Skin Deep (Short Story)]]