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A Federation timeship, circa 29th century

Time travel is the ability to move from one point in time to another outside the regular, irreversible flow of time. The act of moving through time has the potential to alter the timeline or create whole new realities, such as the Kelvin Timeline and is thus discouraged. As a result, time travel is rare even though there are several natural and artificial means at the disposal of major powers.

In the 25th century, the Alliance powers devised more predictable means of time travel during the Iconian War. This led to their greater involvement in the Temporal Cold War. The Alliance usually prohibits any alteration of the timeline, the notable exception being during the Iconian War. Other powers, such as the members of the Temporal Liberation Front wish to improve the timeline by selective interventions in the past.

By the 29th century the Federation and other Alliance members are major temporal powers and were key movers behind the eventual signing of the Temporal Accords.

Means of time travel[]

A Borg time vortex

Alliance powers have encountered numerous methods of time travel. Those seen in-game are;

Omnipotent intervention
Natural occurance

Missions involved[]

K-13 gets pulled into a temporal anomaly

The 2,800 return through the Bajoran wormhole.

  • “Second Wave”: 2,800 Dominion ships come through the Bajoran wormhole after they disappeared in the year 2374.
  • “Khitomer Accord”: The player has to stop a Borg timeline incursion on the assault on Vega Colony in 2409.
  • “Cold Storage”(Deltarisingdelta.png Delta Recruits only): 18 months after meeting their future self, the player is sent back in time to complete the cycle of events by warning their past self of the approaching Iconian War and giving their past self a Tesseract Communications Receiver. The player then returns to the present.
  • “Midnight”: The player travels back 200,000 years to the day that the Iconians are forced from their homeworld, with the purpose of wiping out any survivors. Instead, the player saves 12 Iconians and returns to the present, returning the World Heart to them.
  • “The Core of the Matter”: The player travels back to the 23rd century, encountering Na'kuhl from the future.
  • “Vorgon Conclusions”: The player travels to the Lirss System in the future to meet Daniels from further in the future to protect Kal Dano who is about to travel earlier in the player's timeline to when they first met Kal Dano and hid the Tox Utat. When they catch up with Kal Dano it is much later in his timeline but in the 22nd century when Kal Dano is dead and being attacked by Suliban being given orders by the Envoy from the future. They then travel to the 24th century to find where the Tox Utat ended up after that and destroy several Breen ships of the era. There they find the Vorgons from the future and the Envoy from their own era before recovering the Tox Utat.
  • “Terminal Expanse”: The player travels back to the 23rd century, but to an alternate reality.
  • “Stormbound”:

    Kal Dano's Timeship

    Tholians use the Tox Uthat, stolen from the time travelling scientist Kal Dano, on the star of the Na'kuhl System. Dano and the player subsequently retrieve the device from the Tholian flagship and travel back the 22nd Century where they hide it in a cave on Risa. After returning to 2410, Kal Dano vanishes into a time vortex during a renewed fight against the Tholians in the Na'kuhl System when his Timeship is damaged. He sends a temporal distress call before entering the vortex which prompts the U.S.S. Pastak to arrive from the 29th Century and investigate. After Captain Walker invites the player to the Pastak's bridge, they manage to retrieve Kal Dano's decayed corpse and Timeship, which had travelled back to the early 22nd Century where, a few decades later, the crew of the Enterprise (NX-01) inadvertently activated the Timeship's temporal distress beacon, causing it to automatically travel back to 2410.
  • “Time and Tide”: The player's faction has been contacted by the 29th century for the player to visit the 28th century to view the signing of the Temporal Accords. The accords are interrupted by an attack by Noye so the player then travels back to confront him. Noye then travels forward to escape the player, then back again (much later in his time frame, but a few minutes in the player's) to fight the player. He then escapes in a temporal vortex which the player also enters, but fails to catch him as he shifts in time again.
  • “The Temporal Front”: The post-war peace conference is interrupted by an assassination attempt by Krog from the 29th century. Walker from the 29th century brings the player forward to confront them and they find Vosk preparing to go back in time, including to the 20th century. The player prevents most of the Na'kuhl but Vosk escapes to the 20th century where he is eventually stopped by Captain Archer, who Daniels sent from the 22nd century.
  • “Temporal Reckoning”: The player is called forward to the 28th century to fight Temporal Liberation Front forces at New Khitomer.
  • “Ragnarok” & “Battle of Procyon V”: The player is called to the 26th century to participate in the Battle of Procyon V alongside ships from other centuries and factions.
  • “Para Pacem”: The I.S.S. Discovery is transported from the Mirror Universe in the 23rd century to 2410 in the prime timeline.
  • “Illusion of Communication”: The I.S.S. Discovery is returned to the 23rd century.
  • “One Night in Bozeman”: The player and Seven of Nine are transported by Daniels to the original First Contact Day in 2063 to prevent another temporal incursion by the Borg.

Ambiguous cases[]

The Annorax fires its weapon

References to time travel[]

Information from the future allowed B'vat to find the Doomsday Machine.

Missions formerly involved[]


Timeships are vessels that have travelled forward or backwards in time. This includes all starships with "Temporal" or "Timeship" in the formal name, as well as any other starship that can utilize Molecular Reconstruction or other temporal-related abilities or weapons.

The majority of these playable starships are from the past or future, relative to the 25th century.

23rd century
Faction Federation-aligned.png 23rd century Federation starships, Tiers 2-5 23rd century Tier 6 starships
Shipshot Daedalus Class.png
Temporal Science Vessel
Shipshot Perseus Class.png
Temporal Escort
Shipshot Gemini Class.png
Temporal Cruiser
Shipshot Ranger Class.png
Temporal Battlecruiser
Shipshot Cruiser Connie Temporal T6.png
Faction FED25.png Constitution-class
Temporal Light Cruiser
Shipshot Battlecruiser D7 Temporal T6.png
Faction KDF.png D7-class
Temporal Battlecruiser
Shipshot Warbird Tliss Temporal T6.png
Faction Romulan Republic.png T'Liss-class
Temporal Warbird
26th century
Faction Federation-aligned.png 26th century Federation starships, Tier 6 26th c. Heavy Dreadnought Cruisers, t6
Shipshot Nautilus Temporal Science Vessel.png
Temporal Science Vessel
Shipshot Theseus Temporal Escort.png
Temporal Escort
Shipshot Sagittarius Temporal Cruiser.png
Temporal Cruiser
Shipshot Paladin Temporal Battlecruiser.png
Temporal Battlecruiser
Shipshot Cruiser Dread Hvy To T6.png
Faction FED25.png Universe-class
Shipshot Battlecruiser Dread Hvy To T6.png
Faction KDF.png Durgath-class
Shipshot Battlecruiser Warbird Dread Hvy To T6.png
Faction Romulan Republic.png Valkis-class
29th century
29th century Tier 5
Science Vessels
29th century Tier 5
Mirror Universe Destroyers
29th century
Timeship Shuttles
Shipshot Science Temporal Wells 5.png
Faction FED25.png Wells-class
Shipshot Science Temporal Korath 5.png
Faction KDF.png Korath-class
Shipshot Science Temporal Rmor.png
Faction Romulan Republic.png R'Mor-class
Shipshot Destroyer Temporal Mobius 5.png
Faction FED25.png Mobius-class
Shipshot Destroyer Temporal Krenn 5.png
Faction KDF.png Krenn-class
Shipshot Destroyer Temporal Talvath.png
Faction Romulan Republic.png Talvath-class
Shipshot Timeship Aeon.pngShipshot Timeship Rozhenko.png
Faction FED25.png Aeon-class and
Faction KDF.png Rozhenko-class
29th century Tier 6
Science Vessels
29th century Tier 6
Mirror Universe Destroyers & Dreadnought
Shipshot Science Temporal Wells T6.png
Faction FED25.png Verne-class
Shipshot Science Temporal Korath T6.png
Faction KDF.png Qul'poH-class
Shipshot Science Temporal Rmor T6.png
Faction Romulan Republic.png Sui'Mor-class
Shipshot Destroyer Temporal Mobius T6.png
Faction FED25.png Klein-class
Shipshot Destroyer Temporal Krenn T6.png
Faction KDF.png Chargh'poH-class
Shipshot Destroyer Temporal Talvath T6.png
Faction Romulan Republic.png Tal'aura-class
Shipshot Dreadnought Mirror T6.png
Faction Khitomer.png Paradox-class
31st century
Faction Khitomer.png 31st century Cross-Faction Tier 6 starships
Shipshot Eternal Temporal Science Vessel.png
Temporal Multi-Mission
Science Vessel
Shipshot Ouroboros Temporal Raider.png
Temporal Raider
Shipshot Chronos Class.png
Temporal Dreadnought Cruiser
Starships with temporal involvement
Sphere Builder Krenim Coalition
ShipShot Sphere Builder Edoulg Science Vessel.png
Sphere Builder
Shipshot Sphere Builder Denuos Dreadnought Carrier.png
Sphere Builder
Shipshot Sphere Builder Arehbes Destroyer.png
Sphere Builder
Shipshot Science Krenim T6.png
Krenim Science Vessel
Shipshot Warship Krenim T6.png
Krenim Imperium Warship
Shipshot Dreadnought Krenim T6.png
Krenim Annorax
Shipshot Destroyer Nihydron.png
Nihydron Destroyer
Shipshot Cruiser Zahl T6.png
Zahl Heavy Cruiser

External links[]

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Chronology of Star Trek Online
The Path to 2409 icon.png
In-game years 225622572270240924102411
Periods Distant Past22nd Century23rd Century24th Century25th CenturyFuture
See also Chronology (overview)Original FictionPath to 2409/LoreThe Needs of the ManyLore BlogsTales of the WarPost War EraTime travelRomulan History