USS Constellation (NX-1974-D)

The USS Constellation (NX-1974-D) was a Federation starship, a heavy cruiser in Starfleet service in the early 25th century. The ship served as prototype of the relaunched Constellation-class. 

Service history
At Earth Spacedock and other Federation shipyards displayed the Constellation-D as a template for Constellation-class for Starfleet officers to review from the year 2409 onwards.