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Kirayoshi O'Brien

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StarfleetKirayoshi O'Brien
Kirayoshi O'Brien.png
Military Rank:
Lieutenant Commander
Critter Rank 3 icon.png
Chief Engineer
Birth year:
Voiced by:
Stephanos Rex

Lieutenant Commander Kirayoshi O'Brien is the Human Chief Engineer of the U.S.S. Enterprise-F who was formerly located in the southwest wing of Memory Alpha.

History[edit | edit source]

  • Kirayoshi O'Brien was born shortly before the Dominion War and moved to Earth at the conclusion of the conflict.
  • He spent his childhood all over the quadrant with his mother, visiting places as far-flung as Bajor, Alpha Centauri, and Cardassia Prime.

Missions involved[edit | edit source]

Other involvement[edit | edit source]

  • "Utopia Planitia: One Big Ship": Now a Lieutenant Commander, O'Brien welcomes Lieutenant Whetu and Ensign Elyos of Utopia Planitia aboard the Enterprise, which is undergoing a large-scale refit following the Iconian War. He cautions them that he has made a number of nonstandard modifications to the ship, and that they should consult him if they find anything outside normal specifications. He arranges to meet Whetu over dinner in ten-forward to discuss their progress.
  • "New Featured Episode: 'Beyond the Nexus'": O'Brien is speaking with Captain Geordi La Forge of the U.S.S. Challenger in the shipyards of Earth Spacedock when Ensign N'vall of the Challenger approaches. She hands La Forge a PADD containing new orders - the Challenger is to embark on a mission to the Nexus. O'Brien offers to put La Forge in contact with an officer who may be able to help with the mission.

Notes[edit | edit source]

  • Kirayoshi is the second child of Miles and Keiko O'Brien and was born aboard Deep Space 9. He has an older sister named Molly. Dialogue in the mission "Sphere of Influence" mentions that the Chief Engineering Officer of the Federation's flagship, the U.S.S. Enterprise-F, is named O'Brien. According to Kestral's writings in Star Trek Magazine and her dialogue prompts to Dave Rivas for "Sphere of Influence", indicate that this is Kirayoshi.
  • In the Official Blog "Utopia Planitia: One Big Ship," it is revealed that O'Brien has received a promotion, and now holds the rank of Lieutenant Commander.

External links[edit | edit source]

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Guide to Canon in Star Trek Online
23rd century: Pavel ChekovChulakDanielsGavHadleyJames T. KirkKorLeslieLeonard McCoyMearsPalmerJanice RandSarekMontgomery ScottSpockHikaru SuluNyota Uhura
25th century: AjurBoratusBorg QueenRichard CastilloFemale ChangelingDamar KahnDataDexaThe DoctorDonatraD'TanGaulGeordi La ForgeHughIchebJal KardenJhet'leyaKahlessKal DanoKetenHarry KimKlagKortarLaasLamat'UkanLeetaMirror LeetaLeskitMartokMornNeelixNogKirayoshi O'BrienMiral ParisTom ParisGhee P'TrellQ JuniorRodekAlexander Rozhenko/K'mtarSelaSessenSeven of NineSirellaTarisB'Elanna TorresTuvokVoskNaomi WildmanWorfNatasha Yar
Kelvin Timeline: 0718
Mentioned only: Jonathan ArcherJulian BashirChakotayEzri DaxElim GarakRachel GarrettGrilkaKathryn JanewayNeroKira NerysOdoJean-Luc PicardQuarkWilliam T. RikerRomBenjamin SiskoJake SiskoDeanna TroiLwaxana Troi
AhwahneeAl-BataniBaxialChallengerDefiant (NCC-1764)Defiant (NX-74205)Enterprise (NX-01)Enterprise (NCC-1701)Enterprise (NCC-1701-C)Enterprise (NCC-1701-J)ExcelsiorGalaxyLakotaMalincheMusashiPasteurRhode IslandTereshkovaT'KumbraVoyagerYorktown
Star Trek Cast Reprising Their Roles
LeVar BurtonDenise CrosbyMichael DornAron EisenbergJoseph GattJ.G. HertzlerWalter KoenigLisa LoCiceroChase MastersonRobert Duncan McNeillLeonard NimoyEthan PhillipsRobert PicardoKim RhodesTim RussJeri RyanTony ToddGarrett WangMatt Winston
See Also
ChronologyList of canon charactersList of canon starshipsVoice acting