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Hoshi Sato

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For the mirror universe counterpart, see Hoshi Sato (mirror).
For other uses, see Sato.

Hoshi Sato was a Human female who lived during the 22nd century. She was famous for her role in the historic voyages of the United Earth Starfleet starship Enterprise (NX-01) as communications officer and protocol officer, and as the mind behind critical breakthroughs in the development of the universal translator.

Early LifeEdit

Hoshi Sato was born on July 9, 2129, in Kyoto, Japan, on Earth. She was the second of three children. (ENT episode: "In a Mirror, Darkly") Growing up, she discovered that she had an uncanny ability, almost an instinct, with translating languages.

In her fourth year at the Training Institute she attended an advanced seminar taught by Doctor Teodoro called Toward a Universal Translator: Alien Grammars and the Limits of the Possible in which she was one of only five students. In this class, Hoshi learned of both the near-impossibility and the absolute necessity of developing a functional Universal Translator if humanity was to travel the stars. (ENT novel: Rosetta)

Starfleet careerEdit


During Starfleet training, Sato held a poker game for new recruits. Regulations at the time stated that gambling was only an honor violation if it was held while school was actually in session, so she held the game on weekends. However, her CO still tried to break up the game, at which point the two got into an argument and she broke his arm. Sato was discharged, but owing to Starfleet's need for language experts, Sato was allowed to rejoin on probation, and she successfully completed the three-year training. (ENT episode: "Observer Effect";ENT episode: "Fight or Flight")


Sato was on leave from Starfleet and working at a language school in Brazil in 2151, when she was approached by Captain Jonathan Archer, who wanted her to cut short her leave and journey with the Enterprise to Qo'noS, the Klingon homeworld, and return an injured man to them. Sato initially refused, but changed her mind after Archer played a sample of the Klingon language for her. Her attempts to communicate with the Klingon, Klaang, were largely successful, and Sato was later able to translate what the Klingon High Council was saying to Archer without the use of a translator. (ENT novel: Broken Bow)

Fight or flight

Sato and Reed aboard an Axanarri vessel.

After the mission to Qo'noS, Sato agreed to remain aboard the Enterprise, but she soon found the life in space to be difficult for her, and experienced space sickness. At one point she considered leaving Enterprise, but first contact with the Axanarri a few weeks later convinced her to stay. Despite teething problems, Sato became an essential part of Enterprise's crew. (ENT episode: "Fight or Flight") Sato served as communications and protocol officer aboard the Enterprise throughout its voyages. (Star Trek: Enterprise)

Sato faced a huge problem when trying to decipher the Fazi language a few weeks later. The Fazi's highly structured language meant that she was not completely happy with the translation, but Archer had no problem communicating with Councilman Draa, despite offending him several times. (ENT novel: By the Book)

On September 10, 2153, during the Xindi mission in the Delphic Expanse, she was left comatose for a day and a half by a spatial anomaly that passed through the mess hall. (ENT novel: Last Full Measure)

In 2154, while assisting the Thelasian Trading Confederacy in translating the language of the mysterious Antianna, Sato made the initial breakthrough that eventually resulted her invention of the linguacode translation matrix. (ENT novel: Rosetta)

Earth-Romulan WarEdit

In 2155, at the beginning of the Earth-Romulan War, Sato considered transferring off the Enterprise as she no longer felt useful, but Captain Archer was able to change her mind. After the crew rotations, she quickly befriended the new helmsman, Ensign Elrene Leydon. (ENT novel: Beneath the Raptor's Wing)

In 2156, she was promoted to lieutenant and began a romantic relationship with Enterprise's new MACO detachment commander Major Takashi Kimura. She served aboard Enterprise until her decommissioning following the Battle of Cheron. (ENT novel: To Brave the Storm)


By 2162, Sato had been promoted to lieutenant commander and was serving aboard the USS Endeavour as the ship's communications officer. Sato was responsible for attempting to communicate with the Elachi but was unable to do so. Eventually, she determined they communicated via infrared and magnetic pulses and attempted to create a device capable of mimicking this communication with Michel Romaine's help. Sato then took the device and allowed herself to be imprisoned by the Elachi in the hopes of establishing communication, but the Elachi confiscated the device. T'Pol then allowed herself to be taken prisoner as well and both were taken to the Elachi homeworld and searched intensively, including the removal of their clothes. Eventually, T'Pol was able to use mind melds to establish contact and trained Hoshi to give off signals the Elachi could read. Sato and T'Pol, along with other captives, were eventually released and returned to the Federation. (ENT - Rise of the Federation novel: A Choice of Futures)

Later LifeEdit

Holding the rank of lieutenant commander, Hoshi Sato retired from Starfleet in her late thirties. Afterwards, she perfected the linguacode translation matrix, which became the most critical element of universal translator technology and used for centuries to come. (ENT episode: "In a Mirror, Darkly", ENT novel: Rosetta)

According to a computer image (seen here) created for the ENT episode: "In a Mirror, Darkly", Hoshi Sato later lived on Tarsus IV, married Takashi Kimura and raised a family, until she and her family were executed in the Tarsus IV Massacre in 2246, and buried in Kyoto. However, an alternative image not mentioning Hoshi Sato's death was used instead (seen here), rendering these events as apocryphal.
According to this version of events, the character of Aki Kimura in the ST novel: Academy: Collision Course may be Hoshi and Takashi's great-grandson, but their names are not given in the novel.


location assignment dates rank or rate assignment insignia rank insignia
Enterprise (NX-01) communications officer/protocol officer 2151-2156 ensign NX01patch Earth sci ens
2156-2160 lieutenant Earth sci lt
USS Endeavour  ?-2162-? lieutenant commander Sci ltcmr 2160s

Alternate timelineEdit

In an alternate timeline in which John Frederick Paxton destroyed Starfleet Command and ended the talks for the Coalition of Planets in 2155, Hoshi died at some point before 2199. Her former Enterprise colleagues, T'Pol and her husband Charles Tucker III, were among those in attendance at her funeral. (TOS - Myriad Universes novel: A Less Perfect Union)



Enterprise (NX-01) personnel
Earth Starfleet personnel AlmackJ. AndersonAnsaraJ.B. ArcherBairdL. BilaniBillyBishopK. BorovskyM. BurchBurrowsCamachoCarstairsR. ChandraColeCookCravensE. CutlerDanielsDiazDickisonDuelJ. EdwardsM. FinckeFosterA. GaetaGarverA. HartHessJ. HornHutchisonKelbyJ. KellyKimballKoJ. LeeE. LeydonF. MarcelT. MayweatherM. McCallMeirNguyenE. NovakovichD. O'NeillPerkinsPhloxPointerM. ReedA. RhodesK. RileyM. RostovK.P. RyanA. al SaedSalvatoreSantiniH. SatoStepanczykJ. TaylorT'PolTomC. Tucker IIID. WalshWilliamsZabel Seal of United Earth NX01patch
MACO contingent D. ChangA. ColeC. EbyS. GuitierrezJ. HayesM. KellyN. KemperT. KimuraD. McCammonJ. McKenzieS. MoneyM. PeruzziW. Woods Seal of United Earth MACO
Endeavour personnel
United Earth, Earth Starfleet Endeavour (NX-class) GoldserS. ReynardSheaE. StilesWinchester Seal of United Earth United Earth Starfleet emblem
Federation, Starfleet USS Endeavour (Columbia-class) AbnettB. AlonzoB. BragenM. ChiangCurryE. CutlerP. JanleyT. KimuraI. LegattS. MoneyP. OrtegaPhloxM. ReedA. ch'RevashM. RomaineH. SatoTeskaT'PolB. ValmarZircher Ufp-emblem Starfleet Command logo
USS Endeavour (Icarus-class) Shannon USS Endeavor
(alternate reality)
USS Endeavour (Constitution-class) BernsteinBradsh'DastisarH. EstradaFaranR. GarrettB. GriffinHalseA. KhatamiS. KlisiewiczK. LaMartinaJ. La SalaA. LeoneB. MalmatM. McCormackP. McGibbonB.g. MogMullerNaulsNeelakantaNelsonP. NortonM. RiceRoderickth'ShendilethSikalK. StanoStegbauerThorsenT'PesZhao Sunnamed USS Endeavour (NCC-1895) personnel
USS Endeavour (Nebula-class) J. AmasovC. BarnesN. Kyprios















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