Changes

The '''''Argo''''' was a starship owned and operated by [[House Castana]] and in service to the [[Ultramarines]] legion at the beginning of the [[Horus Heresy]]. Her keel was laid down in the shipyards of [[Calth]] and served for one hundred fifty-six years before her destruction{{Fn|1a}}.

The ship experienced a severe combination of [[Warp Storm]]s which , combined with a lack of necessary maintenance, breached the vessel's [[Warp drive#Gellar field|Gellar Fieldfield]]s, resulting in a loss of ; the subsequent [[daemon]]ic incursion killed all hands except [[Astropath]] [[Kai Zulane]] and [[Navigator]] [[Roxanne Castana]]. The ship was able to translate back into normal space before being completely destroyed thanks Thanks to the assistance by of the [[Emperor]]. The damage to , the ship was so severe that translated back into normal space before being completely destroyed. House Castana wrote off the hull was written off as a total loss.