Jack Carroll was an Earth Union citizen and engineer. In 250 PD, he worked at the Outbound Operations Administration's colony ship construction site on the Jupiter moon of Callisto. (HHA6.1: BTB)
Jack Carroll was an Earth Union citizen and engineer. In 250 PD, he worked at the Outbound Operations Administration's colony ship construction site on the Jupiter moon of Callisto. (HHA6.1: BTB)