Bradbury class
The Bradbury-class was a class of Federation transport ships developed during the latter half of the 24th century. 

During the 2360s, the  was still undergoing warp drive performance tests and serving as a transport to Earth from Betazed in late 2366. ( production art)

Ships commissioned 
  (NX-72307)

Appendices

Background information 
The Bradbury-class was first named in the chart Starfleet Operations - Sectors 21166-23079 in "Brothers". According to the  the Bradbury was named for s-f/fantasy writer, Ray Bradbury, a friend of the late Gene Roddenberry.

Apocrypha 

A ship description was mentioned in the supplements to the Last Unicorn Games role-playing games, which refer to this vessel as being a 335-meter-long heavy frigate in service from 2362, with ten decks, and describes it as being similar to the unfilmed  prototype designed during pre-production of .

External link 
 

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Federation starship classes