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|align=center|The Tallarn 12th Armoured Regiment are a veteran armoured unit assigned to the 4621st Imperial Army, X corps during the Taros Campaign 998.M41.{{Fn|3a}} The campaign ended in failure. The regiment was effectively destroyed having lost all of their combat vehicles and much of their equipment during the retreat. The survivors would be folded into the 3rd Tallarn Armoured Regiment.{{Fn|3}}'''

*Notable Members''': Alghuz - [[The Random Guardsman]]{{citethis}}

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|align=center|[[Tallarn 17th Armoured]]{{Fn|3}}

|align=center|[[Tallarn 101st Armoured]]{{Fn|3}}

|align=center|Known to include at least one [[Leman Russ Conqueror]], part of either the first or second company. The inconsistency is due to the colour scheme varying from the numbers on the vehicle.{{Fn|2c}}; At least one [[Salamander Scout]] vehicle of this Regiment fought during the first assault on the [[Palace of Tears]].{{Fn|2j}} This Regiment also contains [[Medusa Siege Tank]]s{{Fn|2k}}

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|align=center|'''Tallarn 193rd Armoured'''{{Fn|3}}