Temporal Investigation Department

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Temporal Investigation Department
General Information
Agency's Role: Temporal Oversight and Policing
Agency Information
Agency Abbreviation: TID
Agency Headquarter Location: Starbase 514, Gamma Quadrant
Agency Head's Name: Rear Admiral Trael Bren
Agency Head Title: Director of Temporal Investigations
Parent Agencies: Starfleet
[ Source ]


The Federation Department of Temporal Investigations, commonly known as TID, was a department of the United Federation of Planets government, established as a branch of the Federation Science Council, charged with investigating and reporting on all time travel incidents that affected the Federation. This included conducting interviews with those who experienced temporal incidents, and determining whether their actions had a definite impact on the timeline. (DS9 episode: "Trials and Tribble-ations") The Temporal Displacement Division was a part of the TID, responsible for assisting individuals relocated to different time periods.


The TID was created by legislation passed by the Federation Council in 2270 22nd of July, 7:08 PM Greenwich Mean Time , primarily in response to what was seen as Starfleet's cavalier use of time travel in the late 2260s. In 2298, following the Darvash Crisis, the Science Council merged the Chronal Assessment Committee of the Federation Science Council and the Temporal Physics Subgroup of the Anomalous Physics Group into the TID, creating the modern department. Though officially part of the Federation Science Council, the TID operated beyond the boundaries of the council's purview, working directly with planetary governments and with Starfleet.


The Headquarters of the Department of Temporal Investigations were located in Greenwich, England, part of the European Alliance on Earth. The public section was in a trio of large, semi-detached Victorian houses atop the Prime Meridian. Beneath these buildings, in high-security underground levels, was the bulk of the TID's operations. The organization was headed by a Director with four Assistant Directors beneath.

DTI branch offices were located in San Francisco - which was primarily responsible for investigations involving Starfleet - and in Sadvis on Aldebaran III, amongst other places. Each branch office was headed by an Assistant Director.

Another high ranking authority within the organization was the Temporal Investigations Commander.

In 2364 a research annex was under construction on Vandor IV. The DTI also maintained a facility called the Eridian Vault, located on the planetoid Eris, where confiscated time-travel devices were secured. And, along with Starfleet, the TID jointly administered Warlock Station which was a monitoring and research station orbiting the Black Star.

TID agents were placed on the planet where the Guardian of Forever is located, in order to prevent use of the Guardian except for an "extreme emergency".

The majority of TID staff were made up from species known for emotional stability or self-discipline, such as Vulcans, Deltans, Rhaandarites, Zakdorn and Benzites. Humans were a distinct minority.

In 2408, the TID HQ was destroyed by a mysterious event, that is still classified. In order to maintain complete autonomy of Temporal works, the decision was taken to move all major operations to the Gamma Quadrant, and the TID secretly took over Starbase 514. The organisation was also streamlined, so that the titular head of the service was the Director of Temporal Investigations, removing the civilian 'Directors', and placing it under military command.


The department used triple-redundant temporal phase discriminators in their data storage devices, called type Mark VII-T, in order to protect data integrity for comparison purposes in detecting timeline changes. The Head of Temporal Investigations issues monthly reports to the Federation Council on temporal issues.

The department had use of several Starfleet starships over the years. These vessels were attached to the TID for research and investigation purposes.

In 2365, the department initiated a timeship design program for a temporal search and rescue vessel so they could conduct time travel investigations and recoveries without involving general Starfleet personnel. To this end, in 2370, the Thucydides-class entered service.

Notable Investigations

In 2373, TID Special Agents Marion Dulmur and Gariff Lucsly investigated a temporal incursion by a disgraced Klingon Imperial Intelligence agent named Arne Darvin, who attempted to assassinate Captain James T. Kirk of the USS Enterprise in the year 2268 using the Bajoran Orb of Time. The agents later determined that Captain Benjamin Sisko and the crew of the USS Defiant had acted appropriately in their efforts to prevent this alteration of the timeline.

Later that same year, Dulmer and Lucsly questioned Captain Jean-Luc Picard regarding the USS Enterprise-E's recent visit to 2063. They followed this up with a post-temporal-violation reconnaissance mission to 2063 via the Guardian of Forever, as well as one to 1996, following up on another temporal incursion by the USS Voyager.

Not long afterwards, Dulmer and Lucsly were assigned to investigate the removal of the Maquis from history. They discovered a temporal alteration caused by a student of the Traveler, and were able to have him restore the original timeline. Later in 2368, TID began production of a series of space-time detectors with the largest being the Space-Time Anomaly Detection Array over the stable red dwarf designated Cassandra. A year later, they authorized the USS Crick to travel back in time to gather the DNA of a White thendra which went extinct on Alpha Centauri during the planet's industrial age. The ship was successful and the species was reintroduced to the world's ecosystem.

In 2376, Dulmer was a supervisor in the TID's Temporal Displacement Division. That year, he assigned Agent Stewart Peart to escort Starfleet Lieutenant Arex Na Eth, who had come seventy-one years forward in time, back to his home planet.

As of 2373, James T. Kirk had the biggest file in the department's records, with seventeen separate temporal violations. As such, the Department as a whole had a running joke that went "All temporal investigations lead, eventually, to the USS Enterprise".

(Source: http://memory-beta.wikia.com)