Re: D'deridex class Warbird vs Galaxy class
From the TNG Technical Manual:
1.3 General Overview wrote:
As the Enterprise left the Utopia Planitia Fleet Yards, approximately 35% of the internal volume was not yet filled with room modules and remained as empty spaceframe for future expansion and mission-specific applications.
"If I hadn't tried, the cost would have been my soul." - Admiral James T. Kirk, Star Trek III: The Search for Spock