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For other uses, see Helios.

The Helios class was a 25th century Federation starship class, a Dyson science destroyer specialized in surveillance and variant subclass of the 2409 Solanae-class science vessel/destroyer, in Starfleet service from the 2400s decade. (STO - The Sphere missions: "A Step Between Stars", "Welcome to Earth Spacedock", STO website: The Sphere : Starfleet Advanced Dyson Science Destroyers)

Service history and specifications[]

USS Dyson

The Dyson in 2409.

The Solanae-class USS Dyson was Starfleet's first Dyson science destroyer, launched in the year 2409. By default a science vessel, it could enter tactical mode to become a combat-oriented destroyer. It was based on Solanae technology recovered from Obelisk 1 and the Solanae Dyson Sphere. (STO - The Sphere missions: "Sphere of Influence", "A Step Between Stars")

The Starfleet Corps of Engineers developed three new ship classes based on the Solanae. This included the Helios class, which specialized in surveillance operations. (STO website: The Sphere : Starfleet Advanced Dyson Science Destroyers)

The saucer/hull/nacelle configuration was reminiscent of the 24th century Intrepid-class. In comparison, the Dyson science destroyers were larger, circa 350 meters long. (STO - Klingon War mission: "Welcome to Earth Spacedock")

Ships of this class had a standard crew complement of 400. The equipment of phaser banks, photon torpedo launchers was standard for Starfleet vessels. Among the science destroyers' innovations were proton-based energy weapons. This class was equipped with dual heavy proton cannons. The cannons would activate when the ship entered tactical mode. They were as rated tier 5 starships. (STO website: The Sphere : Starfleet Advanced Dyson Science Destroyers)

In the 23rd and 24th centuries, the Helios-class name had been in use for a Starfleet tug. (DSC Issue 27: "Starfleet Tug", Short Treks episode: "Children of Mars")

In the early 24th century, Starfleet had also constructed Helios-class-designated space stations. (DS9 novel: Force and Motion)

With access to two Dyson spheres, the Khitomer Alliance expanded operations into the Delta Quadrant, and Starfleet began deploying task forces in a four-quadrant strategy in 2410. (STO - Delta Rising mission: "Mindscape", STO Issue 07: "USS Pathfinder")

By the year 2411, the majority of Khitomer Alliance ships of the line were rated tier 6. The Helios-class and its sister ships retained their T5 rating. (STO - Legacy mission: "Welcome to Earth Spacedock")

Livery[]

In the 25th century, the design of the Helios-class Dyson surveillance science destroyer allowed its commanding officer to choose from different designs of hull materials, which could be modified further at shipyards.

The Helios class came with its own Helios hull material. This surfacing was also available for the three other Federation Dyson science destroyers. (STO - Klingon War mission: "Welcome to Earth Spacedock")

Furthermore, the installation of deflector shields from specific factions modified the hull appearance, including shields from the Reman Resistance, the Breen Confederacy and the Dominion. (STO missions: "Coliseum", "Cold Storage", "Boldly They Rode")

Known vessels[]

Appendices[]

Connections[]

Dyson science destroyer starships
Federation, Starfleet Solanae-class: USS SolanaeUSS DysonHelios-subclass: USS HeliosMontgomery-subclass: USS MontgomeryOmega-subclass: USS Omega Starfleet icon image.
Romulan Republic, Republican Navy Aves-class: RRW AvesRRW DysonCaprimul-subclass: RRW CaprimulHarpia-subclass: RRW HarpiaTyton-subclass: RRW Tyton Romulan Republic icon image.
Klingon Empire, Defense Force Nov-class: IKS DysonIKS NovChontay-subclass: IKS ChontayMoQ-subclass: IKS MoQTa'Sub-subclass: IKS Ta'Sub Klingon Empire icon image.
Starship classes of the Federation Starfleet
subclass groups

Akira (AlitaArmitageThunderchild) • Ambassador (AlaskaNarendraYamaguchi) • Apollo (Akula frigate / light cruiser) • Cardenas (Buran) • Chesapeake (Mongrel) • Cheyenne (DakotaStargazer) • Concorde (Geneva battlecruiserPresidio) • Constellation (Challenger deep space explorer) • Chimera heavy destroyer (Manticore) • Constitution (AchernarBonhomme RichardTikopaiEnterpriseExeterExcaliburVesperKirkCrossfield (Glenn32nd century refit) • Danube (Yellowstone) • Decatur (Dreadnought) • Defiant (GallantIncursionNachthexenSao PauloValiantVigilant escort) • Dervish (GryphonHermes escortMaelstromTempest) • Destiny (NimbusOracleTrident) • Engle (Earhart) • Excelsior (BismarckCurryKirovNew JerseyResolute) • Galaxy (Andromeda (25th century)CelestialEnvoyGalaxy XMonarch cruiserRossVenture cruiserYamato dreadnought) • Hermes scout (CygnusMonoceros) • Inquiry (Avenger battlecruiserArbiter) • Hoover (Edison) • Intrepid (BellerophonCochrane science vesselDiscovery (25th century)JanewayPathfinderTrailblazerYeager) • Kumari (CharalKhyzon) • Luna (CometPolarisSolTitan) • Magee (Shran (escort)) • Malachowski (Helios (tug)) • Miranda (AntonReliantSoyuz) • Merian (Merian (dreadnought)) • Nebula (Magellan) • New Orleans (Lafayette) • Nimitz (Europa) • Norway (Oslo) • Nova (AuroraQuasarRhode Island) • NX (ColumbiaPoseidon) • Oberth (ClarkeGagarin (23rd century)GrissomSagan) • Odyssey (VerityYorktown (cruiser)) • Olympic (HopeHorizon science vessel) • Prometheus (CerberusHephaestusHestiaPhoenix) • Ptolemy (DollondDopplerKeppler) • Remora (Charger) • Saladin (CochiseSiva) • Santa Fe (Newport) • Saber (GladiusRapierUshaan) • Sentinel (EmissaryNomad cruiserVanguard) • Shepard (Gagarin (25th century)) • Solanae (HeliosMontgomeryOmega) • Sovereign (ArchonImperialMajesticNoble cruiserRegent) • Steamrunner (AppalachiaZephyr) • Vesta (AventineRademaker) • Walker (GeorgiouShenzhou ) • Wells (EternalOuroborosVerne)

Emblem of the United Federation of Planets. Seal of the Federation Starfleet.
other named classes

AA classAakennAchillesAdvanceAegianAeolusAerieAkula destroyer / escortAmbassador HardinAndesAndorAndromeda (24th century)AngelouAntaresApacheAquariusArcherArchimedesArk RoyalArielAscendantAtroxAvenger (scout)BabcockBaderBakerBaton RougeBerenaBodeBolarusBonaventureBradburyBrentonCaliforniaCanadaCanopusCapellaCastorCentaurCentaurusCeresCestusChallengerChandleyChariotChimerChimera fast frigateChristopherClarke (25th century)Cle DanCochrane transportColumbiaCondor (raider)ContinentContortrixCopernicusCourageDaedalusDauntlessDeckerDefenderDeltaD'KyrDenevaDerfDrexlerDurrettEagleEclipseEdwardEinsteinEisenbergEl Doradofuture EnterpriseEpochEpsilonErewonEternalFederationFenlonFermiFijiFreedomFriendshipFrontierGagarin (24th century)GalenGallantGangesGenevaGenserGracefulGraysonGriffonGuardianGeminiHaleHermes fast cruiserHestonHoganHokule'aHorizon cruiserIcarusIlthirinIndomitableIntrepid (22nd century)IowaIstanbulIwo JimaClass JJupiterKarekhKeithKethkinKievK'KmarakKolm-AnKorolevLarsonLauroLaweyaLegacyLenthalLexingtonLibertyLokiLoknarLondonMadisonMakinMannMarklinMarsMarshallM'BengaMediterraneanMercedMercury (courier)Mercury (escort)Mercury (scout)MerianMerian (dreadnought)MessierMeteorMidwayMissionMissouriMobulaiMoKalMoscowMulciberNarcineNautilusNelsonNiagaraNoble laboratory vesselNomad escortNorthamptonOberonOdinOdysseusOkinawaOppenheimerOrionOsakaOverfieldPaladin battlecruiserPaladin destroyerParliamentPaladin (24th century)PerseusPioneerPhalanxPhantomPhiladelphiaPinnaclePiperPolluxPortsmithPralimPremonitionProtostarProximaPyotr VelikiyPyreneesRakotaRanger battlecruiserRanger explorerRanger scoutRenaissanceRickenbackerRigelRochesterRoyal SovereignSagittariusSamsonSaturnSawyerScorpioScryerScyllaSequoiaSevaijenShiKahrSierraSolarSpringfieldSulekSurakSydneyTangentTheophrastusThomas PaineThucydidesThufirTiberiusTiconderogaUniverseTheseusTripperTritiumTyphonTyphoonUkoraUlyssesUralUtahVenture scoutVigilant scoutVoyagerWallenbergWambunduWei-FaWellingtonWilkersonWizardYamatoYorkshireYorktownZodiacunnamed

general type

Defiant pathfinderRaging QueenSun TzuValley ForgeFederation assault shipFederation battleshipFederation cargo shipFederation colony shipFederation construction shipFederation cruiserdeep galaxy shipFederation dreadnoughtFederation freighterFederation frigateFederation galaxy shipFederation holoshipFederation heavy cruiser (2380s heavy cruiser) • Federation light cruiser (Constitution-variant light cruiserIntrepid-variant light cruiser) • Federation medium cruiser (Excelsior-variant medium cruiser) • Federation mining freighterFederation repair shipStarfleet tanker

References[]


External links[]

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