Upon hearing that Reed would go back in time to 1588 if he could pick any time, as it was the year England defeated the Spanish Armada, Trip Tucker felt sure that one of Reed's ancestors was involved. (ENT: "Future Tense") Several generations of this family served in the Royal Navy on Earth, including Malcolm Reed's father and paternal grandfather, the latter of whom served as an ordnance officer. (ENT: "Silent Enemy") This reference to Malcolm Reed's grandfather was originally, as exemplified by the final draft script of "Silent Enemy", to his great-grandfather instead.