T'Pol

T'Pol was a noted Vulcan officer, and was the first to be assigned to a human ship, the Enterprise (NX-01) under the command of Captain Jonathan Archer.

Early Life
T'Pol was born in Vulcan in 2088. (ENT episode: "Zero Hour").

In the 2130s, T'Pol was undegoing secret security training and graduated in 2135. Her first mission was to retrieve seven Ageron agents, after successfully retrieving six of the agents, one of the men named Menos manages to escape, but on Risa, T'Pol kills an innocent man named Jossen. As a result of the innocent death, T'Pol returns to Vulcan and resigns her position, and eventually goes to P'Jem to seek guidance. On P'Jem, T'Pol undergoes the obsolete Fullara ritual which surpresses the memory and emotions of the event. (ENT episode: "The Seventh").

By 2149, T'Pol has risen to be assigned to the Vulcan Consolate on Earth as Ambassador Suval's aide. (ENT novelization: Broken Bow and episode: "Fusion").

On the Enterprise
In April 2151, when the Captain Archer and the Enterprise (NX-01) set out to return Klaang to Qo'noS, T'Pol is assigned to the Enterprise as observer, science officer, and first officer. T'Pol proves essential in the mission, as her knowledge and Vulcan star charts allow the Enterprise to complete her mission. (ENT novelization: Broken Bow).

When P'Jem is destroyed by the Andorians later in 2151, T'Pol is recalled from the Enterprise by the Vulcan High Command, she goes on a last mission to Coridan with Captain Archer in a shuttlepod. The shuttlepod is shot down and captured by a rebel faction, but they are rescued by the Andorians. Following this event, T'Pol's transfer is revoked. (ENT episode: "Shadows of P'Jem").

A few weeks later, while the Enterprise is exploring the Arachnid Nebula, the starship encounters the Vulcan ship Vahklas. On board is a group of V'tosh ka'tur (Vulcans without logic), led by Captain Tavin. Subcommander T'Pol experiences feelings for Tavin and the two have a brief relationship, before she comes to terms with her emotions, after melding with Tavin. However, it is later revealed that T'Pol contracts ''Pa'nar's Syndrome during the meld. (ENT episodes: "Fusion" and "Stigma").

In 2152, T'Pol memories of her mission to apprehend the Ageron fugitives is reawakened, and she sets out to capture Menos. With Captain Archer's help she is successful in doing so. (ENT episode: "The Seventh").

When the Xindi attacked Earth in 2153, Enterprise is recalled to Earth by Admiral Forrest. Captain Archer persuades Forrest to go after the Xindi, but the Vulcans do not want T'Pol to go on the mission. T'Pol resigns her commission and boards the Enterprise as it heads to the Delphic Expanse. (ENT novelization: The Expanse).

While in the Expanse, Enterprise receives a distress call from the Vulcan ship Selaya. On boarding the Selaya, they find that the crew of 140 have been driven insane, as a result of Trellium-D poisoning, which is a neural toxin for Vulcans. T'Pol is also affected by the poisoning, but is treated and recovers. (ENT episode: "Impulse").

After years of flirtation and developing feelings, T'Pol and Commander Charles Tucker III begin a sexual relationship in late 2153. (ENT episode: "Harbinger").