This work is considered secondary-canon. Although it has not yet been removed from the Robotech universe, it is still not considered Primary Canon. See Continuity and Canon in the Robotech Universe. |
According to one source, a Zentraedi soldier was tasked by Dolza with taking the remains of Zor to Tirol so that the Robotech Masters could try and discover where he had sent the SDF-1. (Robotech: The Graphic Novel)