List of unnamed Federation starships of the Template:ShipClass.
23rd century
Docked at Spacedock
Two unnamed Constitution-class vessels were in Earth Spacedock following the Whale Probe incident in 2286. The travel pod transporting the crew of the USS Enterprise passed these vessels en route to their new assignment, the USS Enterprise-A. (Star Trek IV: The Voyage Home)
24th century
Wolf 359
An unnamed Constitution-class vessel participated in the Battle of Wolf 359 in 2366. Wreckage of the vessel was viewed there as the USS Enterprise-D passed through the "grave yard" of ships that were defeated in the battle. (TNG: "The Best of Both Worlds, Part II") Template:ConstitutionClassStarships