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Memory Beta, non-canon Star Trek Wiki
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Memory Beta, non-canon Star Trek Wiki

The USS Thelonii (NCC-1742) was a Federation Constitution-class (mk IXB Achernar-subclass) class I heavy cruiser starship in service to Starfleet in the mid-to-late 23rd century. The Thelonii was authorized for construction by Starfleet appropriation on stardate 5930 (late 2260s). (TOS reference: Star Fleet Technical Manual)

Galloway served aboard the Thelonii at some point prior to his assignment to the USS Enterprise in the mid-2270s. (TOS - Star Trek II Short Stories short story: "Intelligence Test")

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Achernar-subclass (Constitution-class mk III class I/class XI cruiser/heavy cruiser starships)
Refit with mk III engines BismarkBonhomme RichardChallengerConstellationConstitutionDefiantEagleEl DoradoEndeavourEnterpriseEssexExcaliburExeterFarragutHoodHornetIntrepidKentKongoLexingtonPotemkinRepublicSaratogaValiant IIYamatoYorktown UFP emblem image. Seal of the Federation Starfleet.
Built to mk III specifications AchernarAkagiArk RoyalCaspanChikumaDiscoveryForrestalKagaKitty HawkLangleyLittorioMarseilleRadetskyRichelieuRivoliSantissima TrinidadSiriusTiconderogaVictory
Authorized for construction AhzdarAlam'akAlferazAlfrAndrocusAnnobonAstradBehr'akCzar'akEkinusElohimEsablEskiisGalinaGharGhondrHajjHiemdalHorokJassanJenshahnJupiterKarsKasimarKep SaluKestralKetoiMaatMazdaMengenMirazhMondoloyMongoNdeleOblikOomaruPaeganPariPelionePhardosPilarProcyonProximaQizanQual'atQuindarRigil KentaurusSalaynaSamaaraShaandraShahrSinuijiSolTajarhiTaliTemirTheloniiTholusTulanTutakaiXanthiiYaanZa'faranZaahmZindar
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