X-91 XC is a Transformable Mobile Suit Appearing in the Manga Stampede: The Story of Professor Minovsky.
Bandai's magazine "CYBER" chronology of the first issue appeared. NASA was being developed. XC is the name of Zac and this has been taken from. (Model Number: X-91)
The "CYBER" The chronology of the Universal Century year 0001 year 1969 has been.