The USS Normandy (NCC-10189) was an Excelsior-class Starfleet starship in service with the Starfleet Third Fleet during the 24th century as the fleet's flagship, under the command of Admiral Christopher Truman. (Star Trek: Pioneer) In 2381, the Normandy transported Admiral Truman to Deep Space Five so that the admiral could begin his duties as the Commander of the Starfleet Third Fleet. ("The Hornet's Nest")