Unicorn took 1,355 days to build despite being simpler than an Illustrious-class carrier. The comparison uses a conservative 1,200-day alternative, while noting that earlier expectations had been lower still. On that timetable, Unicorn would be available when Victorious went to work with the United States Navy. She could then back up Victorious and Saratoga in the proposed deployment.
Chapter · 34:23-35:41
An earlier Unicorn could support Victorious with the US Navy
Reducing Unicorn's build to 1,200 days could make her available when Victorious operated alongside Saratoga.