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Faction Khitomer.png Temporal Ambassador
TA Enterprise-C - New.png
Preceded by:
Story Arc:
Yesterday's War
January 31, 2013
Lv 20: 8280 Experience Point icon.png
Lv 50: 11907 Experience Point icon.png
Lv 20: 7140 Expertise icon.png
Lv 50: 10395 Expertise icon.png
You will receive the following reward:

In Temporal Ambassador the player is dispatched to study an anomaly in the Azure Nebula, and finds themselves involved in a pivotal moment in history. It was released as part of STO's 3 Year Anniversary Event.


An Ambassador-class cruiser briefly appears in the Azure Nebula...

The player approaches the anomaly but finds that it keeps changing position. After several attempts they finally manage to get close enough for a sensor scan, just as an Ambassador-class starship emerges from it.

Suddenly the timeline has changed. The player is now in command of a freighter, docking at a Tholian asteroid base (which has captured the cruiser). Upon docking, the player reports to Franklin Drake who recounts the history of the new timeline: after the Federation fell to the Klingons decades ago, the Dominion invaded the quadrant and - together with the Cardassian Union and the Breen Confederacy - managed to conquer both the Klingons and the Romulan Star Empire. The Tholian Assembly signed a non-aggression pact with the Dominion, and now controls the Tau Dewa Sector Block.

The powerless Enterprise-C in the Tholian asteroid base.

The player goes to the mess hall where they are approached by Richard Castillo. Castillo explains that the ship captured by the Tholians is the U.S.S. Enterprise-C, of which he is a senior officer. The anomaly pulled the Enterprise out of its proper place in history (a hopeless defense of Narendra III in 2344) and the timeline has drastically changed as a result. He introduces the player to Natasha Yar, who explains the situation in more detail and enlists the player's aid in helping them escape and return to the anomaly in the hopes of correcting history.

The player is required to create a diversion so they can sneak into the maintenance tunnels, and after convincing one of the people in the base to help, manages to help Castillo, Yar, and T'nae reactivate and board the Enterprise.

The fleeing starship quickly comes under attack from a massive Tholian task force, but is suddenly rescued by the U.S.S. Pastak: a Wells-class timeship from the 29th Century, sent to help restore the timeline. The Enterprise flies through the anomaly, and the player is briefly taken aboard the Pastak before history corrects itself.

Back aboard their old ship, the player enters the system again but their bridge officers are surprised to report no sign on an anomaly at all. They eventually leave the nebula and report to the mission giver.


Mission Text[]

Federation / Klingon[]

<Rank>, we've detected an anomaly in the Azure Nebula.

Because of the Tholian activity in that area, we're concerned that they may be attempting to open a rift to the Mirror Universe. I need a ship to go out there and check it out.

This mission can only be completed as a single player.


<rank>, Franklin Drake suggested I contact you to assist with a critical mission.

We've detected an anomaly in the Azure Nebula.

Because of the Tholian activity in that area, we're concerned that they may be attempting to open a rift to the Mirror Universe. I need a ship to go out there and check it out.

This mission can only be completed as a single player.


Go to the Azure Nebula, which is located in the Beta Quadrant, and investigate an anomaly.


  • A Stitch in Time...
    • Go To Azure Nebula
    • Investigate Anomaly
      • Scan Anomaly
  • ...Saves (More Than) Nine
    • Check in with Franklin Drake
    • Get Some Food in the Mess Hall
    • Talk to Richard Castillo
    • Follow Castillo to the Bunks

      Natasha Yar

    • Talk to Tasha Yar
    • Get Key from Franklin Drake
    • Convince Someone to Create a Diversion
      • Convince B'Vat
      • Convince Va'Kel Shon
      • Convince Obisek
      • Convince Garak
      • Convince Farek
    • Wait for the Diversion
    • Use Diversion to Get Past Guards
    • Enter Maintenance Tunnels
    • Navigate Through Maintenance Tunnels to Docking Control Room
      • Change Environmental Systems in Control Room
        • Exchange Control Room Atmosphere
        • Lower Ambient Temperature of Control Room
    • Open Door to Docking Control Room
    • Delta objective.png Determine What the Tholians Know About Iconians (Delta Recruits)
    • Temporal objective.png Investigate Temporal Probe (Temporal Agent)
    • Assign Tasks to Prepare Enterprise-C for Escape (0/3)
    • Prepare Enterprise-C for Escape
      • Release Docking Clamps
      • Restore Ship Power Levels
      • Disable Tractor Beam
      • Disable Tholian Webbing
    • Head to Ship
      • Lower Gantry Force Fields (0/3)
      • Board U.S.S. Enterprise-C
  • Threading the Needle

    The Pastak escorts the Enterprise-C back to her proper time.

    • Escape Tholian Base
      • Defeat Tholian Mesh Weavers (0/2)
      • Defeat Tholian Orb Weavers (0/2)
      • Defeat Tholian Recluses (0/2)
      • Defeat Tholian Tarantula (0/1)
      • Send the U.S.S. Enterprise-C Back in Time
  • Redacted
    • Scan for Anomaly
    • Leave System
  • [FED] Return to Geordi La Forge
  • [KDF] Return to Engineer Tum'Era on Qo'noS






NPC starships[]





Icon Name Description How to Get Points
Alternate Allies icon.png Alternate Allies Talked to everyone in an alternate timeline. Speak with all 16 named characters in the Tholian base. Three in the receiving area: Franklin Drake, one of your Engineering BOFFs and D'Tan. Eight in the mess area: Slamek, one of your Tactical BOFFs, Morn, Elim Garak, T'nae, Va'Kel Shon, Obisek and (after getting food from the replicator) Richard Castillo. Five in the living quarters: B'vat, one of your Science BOFFs, Farek, Nelan and Tasha Yar. 10
The Wisest Tribble icon.png The Wisest Tribble Found and consulted The Wisest Tribble in an alternate timeline. Find and consult the Wisest Tribble in the maintenance tunnels of the Tholian Base. 10
Temporal Treasure Hunting icon.png Temporal Treasure Hunting My souvenir from an alternate timeline. Find and search a crate in the maintenance tunnels of the Tholian Base. 10
Dead Jim icon.png Dead Jim Found a lost explorer in an alternate timeline. Find and examine a corpse in the maintenance tunnels of the Tholian Base. 10
Everyone Remember Where We Parked icon.png Everyone Remember Where We Parked Fully Explore the Maintenance Tunnels in the Tholian work camp. Explore the entirety of the maintenance tunnels in the Tholian Base. 10
Don't Quit Your Day Job icon.png Don't Quit Your Day Job Try your best not to free the Enterprise-C from the Tholian work camp. Assign everyone to the one job they don't mention when you ask what their specialty is for "Assign Tasks to Prepare Enterprise-C for Escape". 10
Now You C Me icon.png Now You C Me Take in the glory of the Enterprise-C during your escape from the Tholians. When on the gantry leading to the Enterprise-C, take a good long look at her, from bridge to keel and stem to stern. 10


For a walkthrough of this mission, visit the Walkthrough page.

Mission Replay[]

This mission is repeatable through Mission Replay, although the Rewards for completing will be reduced. Items scale to a player appropriate level (Scaling Rewards), as followed:

Level Rank SP Exp Mark <>
20–29 Faction FED25.pngFaction KDF.png Commander
Faction Romulan Republic.png Subcommander
1552 1338 VI
30–39 Faction FED25.pngFaction KDF.png Captain
Faction Romulan Republic.png Commander
1743 1878 VIII
40–49 Faction FED25.png Rear Admiral
Faction KDF.png Brig. & Maj. General
Faction Romulan Republic.png Subadmiral
1935 1856 X
50 Faction FED25.pngFaction Romulan Republic.png Vice Admiral 2126 1856 XI





  • This mission rewards Commander-level versions of the Ambassador and Kamarag Cruisers (Faction FED25.png [Special Requisition Pack - Support Cruiser (Ambassador)] and Faction KDF.png [Special Requisition Pack - Kamarang Battle Cruiser]), as well as a special tailor option ([Yesterday's Enterprise Uniform]). When replaying this mission, the rewards are changed to your choice of the two special requisition packs, 480 Dilithium Ore icon.png, or 20 Fleet Marks.
  • The reward [Yesterday's Enterprise Uniform] automatically unlocks the costume option, there is neither a Costume Pack, nor is it tradeable. The Costume consists of a Yesterday's Enterprise Chest Gear, and a Belt.
  • In the Tholian Base, three of your Bridge Officers will appear around the area. One of your Engineers will be in the first room (about 20 meters from D'Tan), one of your Tactical Officers will be in the mess hall, and one of your Science Officers will be lying on a bed in the barracks (near B'vat). There's special dialogue for each, aside from the normal "Tell me about yourself" that says "You look familiar." Each will answer differently. They are also the only non-voiced NPCs on this map (aside from Morn, since Morn has no real dialogue).
  • For some reason, the dead body seen in the room required for the accolade "Dead Jim" is always a random 23rd century human Starfleet gold shirt.
  • Besides Castillo and Tasha Yar, many original characters from Star Trek Online appear in this mission as their alternate counterparts – including cameos by some of the player's bridge officers. As the mission has been included into the Klingon War episode of the Federation storyline after the 3rd Anniversary Event, many characters are actually encountered for the first time, story-wise. This includes T'Nae, Obisek, D'Tan, Va'Kel Shon and Slamek – their importance will likely remain unnoticed by new Federation players, who happen to experience the story for the first time.
  • The NPC who agrees to create a diversion varies according to the player's faction. For Federation players, Va'Kel Shon agrees to the task; for KDF players, it's B'vat; and for Romulan Republic players, it's Obisek.
  • The Special Requisition Pack can be claimed as your reward even if you have already completed this mission, so the faction-specific ship can be reclaimed if you ever choose to delete it. However, if you have an Ambassador Support Cruiser or Kamarag Battle Cruiser in either your active ship roster or in dry dock, you will be unable to open the reward chest. You will instead see a fly-in message stating that you may only have one.
  • Prior to the release of Season Fourteen: Emergence, the Federation version of this mission was given by Ensign Kani.
  • Garak was added with the release of Victory is Life, replacing Rugan Skyl.
  • For 23rd Century characters (Temporal Recruits specifically, possibly standard 23rd C. officers as well) The NPC of Noye makes an appearance in the first room of the Tholian base (near Franklin drake). He states that, like the player, he too is "displaced" in time. He states the Dominion destroyed his colony and killed his Tuterian wife Clauda, he escaped and ended up at the base and is now working with the Enterprise-C survivors to escape. However he is currently (October 2018) mislabeled as "Ensign medic".
  • There is a long-standing bug during the battle while the player is flying the Enterprise-C that can prevent completion of the mission. When the U.S.S. Pastak arrives, the cutscene in which the Tholian Tarantula is destroyed must to be allowed to play out. If the player skips this cutscene, the Tarantula will still be fighting, and it's health will never fall below 1%.
  • According to the Temporal Probe found by Temporal Recruits, the Na'kuhl are implied to be responsible for the events of this mission (and possibly the events of Yesterday's Enterprise). By altering the timeline so that the Federation no longer existed by 2410, they won the Temporal Cold War.

External links[]

v · d · e
Storyline Missions      
All Starfleet Factions Starfleet-only
Tutorial DSC Starfleet only “Graduation Day”“Routine Maneuvers”“Trial by Fire”“The Shadow Knows”“Children of War”“Reporting In”
TOS Starfleet only “I Sing of Arms”“Search and Rescue”“Bull by the Horns”“Dislodging Klingons”“The Taurean Affair”“Earthward Bound”
25th century Starfleet only “Graduation Day”“Training Cruise”“Field Promotions”“Communication Breakdown”“Assimilation of the Innocent”
Agents of Yesterday TOS Starfleet only “Explore Earth Spacedock”“In the Shadow of Cestus”“Painful Omens”“Return to Babel”“Tangled Webs”“The Battle of Caleb IV”
Klingon War “Welcome to Earth Spacedock”“Diplomatic Orders”“Stranded In Space”“Researcher Rescue”“Secret Orders”“The Doomsday Device”“The Galaxy at Large”
Romulan Mystery “Heading Out”“Empress Sela”“Desperate Measures”“Shadow Play”“Taris”
Faction KDF.png Klingon Defense Force-only
Tutorial “End of Watch”“Red Alert!”“Intruder Alert”“Challenge for Command”“Your New Command”“Journey to Qo'noS”
Empire “Duties of Command”“The Hunt is On”“Space Chase”“Manhunt”“Friend or Foe”
Warzone “Bringing Down the House”“The House Always Wins”
Vigilance “Mars, the Bringer of War”“Alpha”
Fek'Ihri Return “Blood of the Empire”“Destiny”“Afterlife”
Faction Romulan Republic.png Romulan Republic-only
Tutorial “A Day on the Farm”“A Day in the Sun”“Virinat, Invaded”“Flight from Virinat”
From the Ashes “Explore the Flotilla”“The Helix”“Crossroads at Crateris”“Gasko Blues”“The Search for New Romulus”“Turning Point”“Neutral No More”
Allies “The Price of Neutrality”“Memory Lane”“Bigger Picture”“Smash and Grab”“Tradecraft”
In Shadows “An Inside Job”“Enemy Action”“Sleepers”“Cloak and Dagger”“Revelation”“Mind Game”
Wasteland “Secrets of Nimbus”“The Lost City of Paradise”“Blind Men Tell All Tales”“The Undying”“A Fistful of Gorn”“Installation 18”
Vengeance “Voice of the Voiceless”“Abducted”“Small Packages”“Last Stand”“The Best Defense”“Turnabout”“Devil's Choice”
Freedom “Toward Freedom”
Faction Dominion.png Dominion-only
Engineered for War “Hunt”“Ceremony”“Turn the Tide”
Faction Khitomer.png Cross-faction
Cloaked Intentions “The Vault”“Mine Enemy”“Frozen”“Coliseum”“Cutting the Cord”“Darkness Before the Dawn”
Cardassian Struggle “Lost and Found”“Spoils of War”“Jabberwocky”“The Factory”“The New Link”
Borg Advance “Task Force Operations”“Report on Borg Activities”“Where Angels Fear to Tread”“A Gathering Darkness”“Assimilation”“Fluid Dynamics”
New Romulus “New Romulus Aid”“Staging Area”“Hidden Camera”“Warehouse”“Mountain Base”“Secret Shuttle Codes”“Overgrown Caves”“Web Access”“Latest Findings”“The Power Source”“Secrets of the Ancients”
Solanae Dyson Sphere “Sphere of Influence”“Circles within Circles”“Supply Woes”“The Contested Zone”“The Omega Standoff”“Tower Control”“A Step Between Stars”“Fluidic Destruction”“Surface Tension”
Delta Quadrant “Escalation”“Mindscape”“Reunion”“Friends in Unlikely Places”“Revelations”“Enemies in All the Usual Places”“All That Glitters”“The Kobali Front”“Capture the Flag”“The Dragon's Deceit”“Alliances”“Know Your Enemies”“Revolution”“Taking Care of Enemies”“Takedown”“What's Left Behind”“Dust to Dust”
Iconian War “Uneasy Allies”“Blood of Ancients”“Delta Flight”“House Pegh”“Time in a Bottle”“Broken Circle”“Butterfly”“Midnight”
Yesterday's War “Temporal Ambassador”“The Once and Future Agent”“The Core of the Matter”“Vorgon Conclusions”“Terminal Expanse”“Survivor”
Future Proof “Sunrise”“Stormbound”“Time and Tide”“The Temporal Front”“Temporal Reckoning”“Ragnarok”
New Frontiers “Echoes of Light”“Of Signs and Portents”“Mirrors and Smoke”“Brushfire”“Beyond the Nexus”“Melting Pot”“Scylla and Charybdis”“The Renegade's Regret”
Gamma Quadrant “Storm Clouds Gather”“Armistice”“The Search”“Doomed to Repeat”“Quark's Lucky Seven”“Tenebris Torquent”“Home”
Age of Discovery “The Plausibility of the Possible”“Impossibility of Reason”“Secrets”“Downfall”
J'Ula's Discovery “Para Pacem”“Illusion of Communication”“Beneath the Skin”“Sentinels”“Rescue and Search”“Within The Briars”“The Ninth Rule”“Ruins of Doom”“The Measure of Morality (Part 1)”“The Measure of Morality (Part 2)”
Klingon Civil War “The Centre Cannot Hold”“The Khitomer Discord”“Partisans”“Knowledge is Power”“Leap of Faith”“Warriors of the Empire”“A Day Long Remembered”
Terran Gambit “Firewall”“Red Shift”
Some missions may appear in alternative orders for some factions.
Mission available Side Content: The Galaxy at Large
Spectres “Spectres”“Skirmish”“Spin the Wheel”“What Lies Beneath”“Everything Old is New”“Night of the Comet”
Wasteland “Secrets of Nimbus”“The Lost City of Paradise”“Blind Men Tell All Tales”“The Undying”“A Fistful of Gorn”“Installation 18”
(Still part of main episode progression for Romulan Republic players.)
Lost Dominion: The 2800 “Lost Dominion”“Second Wave”“Of Bajor”“Operation Gamma”“Facility 4028”“Boldly They Rode”
Cold War “Cold War (wrapper)”“Cold Call”“Out in the Cold”“Cold Comfort”“Cold Case”“Cold Storage”
Delta Quadrant “Kobali Crisis Act I”“Kobali Crisis Act II”“Kobali Crisis Act III”
See also: Featured episodePatrolRemoved MissionsTask Force Operation