Oh my God It's Phase II...
For those who don't know, Back in the 1970's Star Trek had a popular cult following begging to get the series relaunched after It had been ended early. The Fans wanted more, And Paramount was starting to listen. The Idea was placed in development for a Concept that was dubbed Star Trek Phase II. Phase II was a New Star trek Series to be set after the end of the First 5 year mission and was to relaunch a refitted Uss Enterprise under Captain Kirk. Scripts were being written even a number of concept ships designed The Pilot was to show the New enterprise launched from a Asteroid based Dry dock on it's new 5 year mission.
Then Came an Event called STAR WARS.
Paramount suddenly needed something to try and catch the Scifi wave. Phase II was redevised into STAR TREK: The Motion Picture.
However after the Motion picture Ideas were floated for possibility of a new Series or farther movies. The Ideas pushed for the movies based on the Original ship. However concepts were floated including