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This page is so named to differentiate it from the identically named first USS Defiant (NX-74205).

The USS Defiant (NX-74205) was a Federation Defiant-class escort starship in Starfleet service in the late 24th century. This ship was originally designated the USS São Paulo (NCC-75633), and was one of a number of vessels to bear the name.



In 2375, the São Paulo was under the command of Admiral William Ross for delivery to Starbase Deep Space 9 where she was transferred to the command of Captain Benjamin Sisko. Sisko received special dispensation from Starfleet Operations to rename the São Paulo to USS Defiant in honor of the fallen USS Defiant, which was lost at the Second Battle of Chin'toka. The Defiant took part in the final battle of the Dominion War, the Battle of Cardassia. (DS9 episodes: "The Dogs of War", "What You Leave Behind")

Following the war the Romulan Senate moved to allow the Defiant to keep the borrowed Romulan cloaking device it utilized. Recognizing the importance of the vessel, and DS9, as the first line of defense against further Dominion attacks. (DS9 novel: Avatar, Book One)

In April of 2376, the Defiant was undergoing repairs and upgrades when DS9 was attacked by a trio of rogue Jem'Hadar fighters. The Defiant was rushed into operations and managed to destroy one of the ships before a heavy bombardment killed the vessel's commanding officer, Commander Tiris Jast. Lieutenant Ezri Dax assumed command and destroyed the second vessel. Dax, with the help of a Jem'Hadar vessel commanded by Taran'atar, then destroyed the final vessel using the Defiant's warhead module. (DS9 novel: Avatar, Book One) In 2381, after Ezri Dax had been promoted to Captain and commanding officer of the USS Aventine, she reflected upon this incident during the Borg Invasion of 2381, questioning her command abilities. Then first officer Sam Bowers insisted that it was her decisiveness in these situations that made her a qualified commander. (ST - Destiny novel: Mere Mortals)

After launching a new communications module at the Gamma Quadrant terminus of the Bajoran wormhole, the Defiant participated in the evacuation of the colony on Europa Nova during the Gateways Crisis, and discovered that the Gateway in orbit of Europa Nova opened into the Delta Quadrant. (TNG - Gateways novel: Doors Into Chaos; DS9 - Gateways novel: Demons of Air and Darkness)

Soon afterwards, the Defiant was damaged escorting vessels containing Europani refugees from the homeworld of the highly xenophobic Jarada, who attacked the convoy. The Defiant was repaired and refits for the exploration mission to the Gamma Quadrant were subsequently completed. (DS9 novel: Twilight)

Sometime prior to the Gamma Quadrant mission, the Defiant, under the command of Elias Vaughn, was amongst a fleet of ships dealing with the Malkus Artifacts at Narendra III. (ST short story: "The Final Artifact")


Corps of Exploration

During the Defiant's three-month exploratory mission into the Gamma Quadrant, the Defiant made first contact with eleven different species, the first of which was the Vahni Vahltupali civilization. When energy pulses threatened the planet's destruction, the Defiant destroyed moon chunks before they hit the Vahni planet, then found the source of the energy pulses. The Defiant was damaged at the planet Prentar, shutting down the energy pulses by allowing the Imnamuri to enter this realm of existence. (DS9 novel: Twilight)

In July, the Defiant was enroute through an unknown sector of space when the ship was caught in a Cheka web weapon. The Yrythyny vessel Avaril, came to the Defiant's aid by stowing the Defiant in the Avaril's cargo hold so she could be repaired at Luthnia. The Defiant and the Avaril then went to a commerce shipping lane to get more supplies. After the Defiant was repaired, her crew was able to stop an Yrythyny traitor from kidnapping Nog. (DS9 novel: This Gray Spirit)

The Defiant later made first contact with the D'Naali and Nyazen, stumbling upon a battle between the two forces for control of an extra-dimensional object known as the Cathedral object. The Object's unusual properties temporarilly caused three crew members to lose modifications that had been made to their bodies over the years, but the crew was later able to cure the affected personnel after discovering the Object's nature. (DS9 novel: Cathedral)

Some weeks later, the Defiant discovered the wreckage of a Jem'Hadar vessel and the USS Valkyrie, a ship that had been assimilated by the Borg Collective, on an unnamed planet in the Gamma Quadrant. On the planet, the crew located two survivors of the battle between the ships - a young Founder and the assimilated Ruriko Tenmei. The Defiant crew attempted to remove Borg technology from Tenmei's body, but the assimilation imperative proved to be too strong, and she was killed before she could assimilate her daughter, Ensign Prynn Tenmei.

The young Founder was returned to the Dominion in an amicable exchange with a Jem'Hadar ship who had recovered the long-missing Jake Sisko and Opaka Sulan. (DS9 novel: Lesser Evil)

Return to the Alpha Quadrant

Upon arriving in the Alpha Quadrant, the Defiant was escorted to DS9 by Cardassian officer Akellen Macet, who was assisting Starfleet during the Parasite crisis. Colonel Kira Nerys later defied orders and took the Defiant to Bajor where she confronted the Parasite Spawnmother at the monastary at Ashalla. (DS9 novel: Unity)

When the Bajoran Sidau village was destroyed in an unprovoked attack, newly-commissioned Captain Kira Nerys took the Defiant on a long-distance chase after a Besnian freighter that left Bajor and was suspected of being responsible for the destruction of the village. The Defiant and the freighter battled, Defiant crewmembers boarded the freighter, only to find the crew dead, leaving the attack on the Sidau village a mystery. (DS9 novel: Bajor: Fragments and Omens)

In early 2377, the Defiant chased Taran'atar to the old Obsidian Order prison on Harkoum after he inexplicably attacked Captain Kira and Ro Laren and kidnapped Prynn Tenmei. (DS9 novel: Warpath)

Ship Commanders

Appearances and References


In the Star Trek: Deep Space Nine Companion, Ron Moore stated that he intended for the ship to be designated Defiant-A but it wasn't shown on screen because it would have been prohibitive to repaint and reshoot the model for one episode.


Template:Ships named Defiant

Defiant-class destroyer/escort starships
Federation Starfleet

(primary universe)
standard arrangement AjaxAlaskaAlbatrossAldebaranAlexey LeonovArmstrongArk RoyalAvengerBaracusBarracudaBaton RougeBenningtonBoxerChampionCheyenneCobraConcordCondorCormirCorvusCrockettDauntlessDefiant (I)Defiant (II)EagleEclipseFalkirkFargoFormidableFranklinGallantGalahadGauntletGawainGrantHalberdHavocHelenaHorizonHornetHurricaneIllustriousIncessantIwo JimaJavelinKantKingfisherLawLeeLeyteLoganLokiMan-o-WarMatadorMayaMedvedevMerrimackMichiganMongooseMonitor (I)Monitor (II)MonsoonMorganaMoscowMyrmidonNarcissusNeptuneNomadPendragonPleiadesPotemkinPythonQuillonRamsesRangerRavenRedoubtableRelentlessRenegadeRevereRockfordRomeSaladinSão Paulo (I)São Paulo (II)SavannahScorpionSiouxSiroccoSnake EyesSpitfireStalwartStrommingTenaciousThorTiconderogaTitanTreplevTriumphTritonTsunamiTurinValiant (I)Valiant (II)ValorousVanyaVictoriaVictoriousVigilantVoltaireWarspiteWaspWolverineZeppelin Seal of the Federation Starfleet
Incursion-subclass Incursion
Terran Rebellion
(mirror universe)
Capital GainDefiantJadziaTerra Victor

External link

This article uses material from the "USS Defiant (NX-74205) (II)" article on the Memory-beta wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

ST Expanded

Up to date as of February 07, 2010

The Star Trek Expanded Universe Database is for fanon and related content. See for the canon Star Trek wiki.

The USS Defiant (NCC-75633) was originally the USS São Paulo, a Defiant-class escort.



The São Paulo (NCC-75633) was launched from the Utopia Planitia Fleet Yards in late 2375 on stardate 52889.3. The ship was sent to Deep Space 9 where it was to replace the USS Defiant, which was destroyed during the Second Battle of Chin'toka.

In November of 2375, she was assigned to Deep Space Nine to serve as a replacement for the destroyed USS Defiant. Captain Benjamin Sisko received authorization to re-christen the vessel Defiant. (DS9: "The Dogs of War")

The new Defiant took part in the Battle of Cardassia, which ended the Dominion War. (DS9: "What You Leave Behind")

Command Crew

(as of 2375)

Star Trek: Unity (crossover)

In 2376, the Defiant, under the command of Commander Elias Vaughn, participated in the defense of Earth from the Vendoth during the Battle of Sol. (Star Trek: Unity: "United We Stand")

United Trek fan fiction universe

In 2376, the Defiant's cloak was stolen by crew members of the USS Aegis. (Dark Territory: "Valley of Peace")

Later that year, the ship evacuated the Federation embassy on Alshain Proper. (Dark Territory: "Fall Out")


  • Commanding Officer: Commander Jeffrey Thorpe (2376)
  • Chief Engineering Officer: Lieutenant Commander Aquiel Uhnari (late 2376-)
  • Helm Officer: Ensign Hetis

Star Trek: War Aftermath

In 2376, the Defiant was dispatched to Cardassia Prime under cloak to deliver urgently needed supplies after the True Way took the crew of the USS Lambda Paz hostage and demanded that the Federation convoys cease. Teams from the Defiant were later able to resuce the hostages and prevent the assassination of Castellan Alon Ghemor. ("The True Way")


  • Commmander Elias Vaughn: Commanding officer
  • Lieutenant Ezri Dax: First officer, Operations manager
  • Lieutenant Aiman al-Rashid: Chief engineer
  • Lieutenant Raul Fitzpatrick: Chief of security, Tactical officer
  • Doctor Julian Bashir: Chief medical officer
  • Ensign Prynn Tenmei: Flight controller

USS Defiant insigne
Starships named Defiant
USS Defiant (NCC-1764) - USS Defiant (NX-74205)
USS Defiant (NCC-75633) - Defiant (Terran Rebellion)

Defiant class escorts
Canon: Defiant (I) - São Paulo/Defiant (II) - Valiant (I)
Other notable ships: Alexander - Avenger - Boxer - Dauntless - Defender - Devastation - First Strike - Gallant - Grant - Horwitz - Imperial - Indomitable - Maelstrom - Man-o-War - Merrimac - Monitor - Nemesis - Nimitz - Relentless - Renown - Sinclair - Stormbringer - Svelor - Ticonderoga-A - Tirpitz - Valiant (II) - Victorious - Victory - Vindicator - Vulture - Warrior

External links

This article uses material from the "USS Defiant (NCC-75633)" article on the ST Expanded wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.


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