 The Romulan war was not seen on screen , but instead has been described in the non @-@ canon novel The Romulan War : Beneath the Raptor 's Wing by Michael A. Martin , and subsequent follow @-@ up books . The events of the episode " These Are the Voyages ... " on board Enterprise are set six years after those seen in " Terra Prime " in 2161 , but are actually related in the holodeck on board Enterprise @-@ D during the events of the Star Trek : The Next Generation episode " The Pegasus " . Following the Romulan war , Enterprise is diverted en route to Earth where is it due to be present for the signing of the Federation charter . The non @-@ canon Shatnerverse novel Captain 's Glory states that following its decommissioning , Enterprise was placed into the orbit of Pluto as a museum piece . 
