Unnamed Excelsior class starships List of unnamed Federation starships of the . Sector 21528 ships . In the mid - 24th century , three ships of this class were assigned to Sector 21528 after the Cardassian Central Command announced its intentions to annex the Minos Korva system , in Sector 21527 , and install orbit al outposts around three planet s in the system . These assignments complemented a response from the Federation government to the Cardassian plans . ( ) 2360s . Haftel ' s transport . In mid - 2366 , this unnamed " Excelsior " - class starship transported Vice Admiral Anthony Haftel from Galor IV to rendezvous with the in Sector 396 in order to transport Lal back to Starfleet Research . ( ) Hanson ' s transport . On stardate 43997 . 6 , in late - 2366 , this unnamed " Excelsior " - class starship transported Admiral J . P . Hanson and Lieutenant Commander Shelby to rendezvous with the at Jouret IV to review the disappearance of the New Providence colony . After confirming the disappearance of the colony was a result of a Borg attack , Hanson returned to Starbase 324 aboard this vessel to discuss strategy with Starfleet Command . ( ) Henry ' s transport . In late - 2367 , this unnamed " Excelsior " - class starship transported Vice Admiral Thomas Henry to rendezvous with the , where Henry was to observe a hearing conducted by Norah Satie and Jean - Luc Picard . ( ) Nechayev ' s transport . In late - 2370 , this unnamed " Excelsior " - class starship transported Fleet Admiral Alynna Nechayev to rendezvous with the , where Nechayev discussed the Maquis situation with Jean - Luc Picard . ( ) 2370s . Utopia Planitia Fleet Yards . In 2371 , an unnamed " Excelsior " - class starship was being constructed , repaired , or refit ted at the Utopia Planitia Fleet Yards in orbit of Mars . ( ) Hastur ' s task force . In early 2372 , two unnamed " Excelsior " - class starships , accompanied by the and the , were part of Admiral Hastur ' s task force that arrived at Deep Space 9 to assist the space station against the Klingon s during the first Battle of Deep Space 9 . The two ships later remained on patrol near the station following the Klingon withdrawal . ( ) These same ships visited Deep Space 9 again in 2373 . ( ) They were also among the first ships to arrive at Deep Space 9 after the Dominion retreat , following Operation Return . ( ) Gilhouly ' s task force . In mid - 2373 , two unnamed " Excelsior " - class starships , accompanied by three unnamed " Miranda " - class starships , were part of Admiral Gilhouly ' s task force that arrived at Deep Space 9 to assist the space station against the Dominion threat , shortly after they entered the Alpha Quadrant and were joined by the Cardassian s . ( ) Stationed at Deep Space 9 . This unnamed " Excelsior " - class starship was stationed at Deep Space 9 when Dukat arrived at the station aboard a Jem ' Hadar battle cruiser . ( ) Second Fleet . In late 2373 , several unnamed " Excelsior " - class starships belonged to the Second Fleet . While the Dominion attacked Deep Space 9 , during the second Battle of Deep Space 9 , several of these vessels crossed the Cardassian border and destroyed the Dominion shipyard s on Torros III . These ships later joined with the and , following the evacuation of DS9 , for a counterattack against the Dominion forces . ( ) Operation Return . In 2374 , this unnamed " Excelsior " - class starship was at Deep Space 9 following Operation Return . ( ) Battle of Cardassia . In 2375 , this " Excelsior " - class ship was the first ship to be destroyed by the Dominion in the Battle of Cardassia . ( ) Dilithium processing facility . In 2378 , an unnamed " Excelsior " - class starship was stationed near a dilithium processing facility in the Alpha Quadrant . ( ) Escort for USS " Voyager " . In early 2378 , an unnamed " Excelsior " - class starship stationed near the Sol system was dispatched by Admiral Owen Paris to a defensive point near an opening Borg transwarp aperture near Earth . The ship opened fire on the emerging Borg sphere , and assisted in its destruction . Following the emergence of from the debris , the unnamed " Excelsior " - class starship assisted in escorting " Voyager " back to Earth . ( )