A convincing science-fiction fleet needs time to build its ships. Major warships should not appear immediately whenever the story needs them. Some Star Trek scenes prompt the question of where the available ships came from. Realistic construction schedules make fleet availability part of the setting's constraints.
Notable Point ยท 3:33:36-3:34:18
Believable science fiction respects shipbuilding timelines
Believable fleets require construction schedules that explain where their available ships came from.