Deltan

The Deltans were a humanoid species originating from the Federation planet Delta IV, which was located in the Alpha Quadrant. 
== Physiology ==
Externally, Deltans were physically indistinguishable from Humans but were identified by their bald scalps and were known to wear head dresses. Their strong sexual attraction could be a distraction for members of other species, which is why Deltans swore an oath of celibacy upon entering service in Starfleet. (; ; )
While Deltans had pain-relieving abilities that manifested during tactile contact, this ability did not heal injuries. ()
== History ==
In 2141, the encountered a group of Deltans. Travis Mayweather, who was fifteen at the time, later described them as very attractive and very open. On the advice and invitation of his father, he dealt with the feelings they engendered in him by performing exhausting workouts in the gym, a method he returned to (and recommended to Lieutenant Malcolm Reed) while three Orion slave girls were "guests" aboard in December 2154. ()
One Deltan serving aboard , Starfleet Lieutenant Ilia, made direct contact with the V'ger entity when it approached Earth in the 2270s, whereupon she was listed as missing in action. () Another Deltan served as an officer aboard the in 2285. () Four male Deltan ambassadors later served on the Federation Council in 2286. () Six Deltan ambassadors were later present at the Khitomer Conference in 2293. ()
In the mirror universe, Deltans were one of the subject races of the Terran Empire. In the early 24th century, the Deltan worked as an administrator of a weapons facility on Terra. ()
In 2364, an illustration of a Deltan appeared when Data was reviewing all literature on the Dixon Hill series of novels in the database. ()
In 2401, Doctors Soji Asha and Agnes Jurati visited the Deltans on Raritan IV as part of a goodwill tour on behalf of synthetics. ()
== People ==
;Named:
* Ilia
* Melle
* Dada Noe
* Dada Noe (mirror)
* T'Veen (half-Vulcan hybrid)
;Unnamed:
* Unnamed Deltans
== Appendices ==
=== Appearances ===
A list of all appearances of Deltans (excluding the appearances of Deltan/Vulcan hybrid T'Veen).
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* (on display)
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=== Background information ===
Deltans were originally to have been part of the ultimately scrapped series Star Trek: Phase II. The writers/directors guide for that series stated, "The Deltan race is much older than Humans, with brains much more finely evolved in areas of art and mathematics," and postulated that all Deltans were "completely hairless except for the eyes." The guide also suggested that esper abilities were common to the Deltans living on their homeworld and that, in their culture, virtually everything (i.e., all social interaction) was sex-oriented, with sexual foreplay consisting "largely of lovers placing images in each other's minds." (Star Trek Phase II: The Lost Series, pp. 90-91)
A character study of Lt. Ilia, written by Gene Roddenberry for , included more information about the Deltan race, stating, "Deltans, at first impression, may seem to be proudly aloof. However, a quick-eyed observer becomes immediately aware that Deltans actually have a splendidly developed sense of humor and fun lying immediately beneath that poised exterior. Their graceful carriage has lured many a Human into believing them cool intellectuals, only to discover that the Deltan is enjoying a good-humored joke at that Human's expense. Unlike the Vulcan race, Deltans value and delight in emotion – they see emotion as one of the myriad delights of being a life form. They are a sensual race – they enjoy the sensation of feeling hunger and fulfilling appetite in every form from satisfying their palates with exquisite foods, to the caress of a warm breeze or the bite of a bitter wind, the touch of an infant's hand, and especially all the shared communications and physical sensations of acts of love. Along its path to individual awareness, all the five (perhaps six) senses of the Deltan become highly acute and sensitive. Their taste buds, the rods and cones of their inner eyes, even their smallest epidermal nerve ending, all are sensitive far beyond the Human norm." The same character study also mentioned historical similarities between the civilizations of Earth and the Deltan homeworld and that the Deltans "long ago lost their interest in space voyaging (concentrating on their own inner-space)," so that, by the time of The Motion Pictures setting, there were only a few Deltans who had joined Starfleet, even though "the highly evolved Deltan intelligence can handle the most complex spherical trigonometric complexities of space navigation as easily as a Human learns simple multiplication tables." (The Making of Star Trek: The Motion Picture, pp. 107-108)
Deltans were additionally mentioned in notes that Costume Designer Robert Fletcher wrote about the aliens in The Motion Picture. The note specifically concerning the Deltans described them thus: "Hairless people from Planet Delta IV. Deltans are great jewelry makers. Their jewelry is sold throughout the galaxy and is very popular." In the same note, Fletcher went on to state some plans for what a Deltan male would look like, despite the fact that Ilia is the only Deltan seen clearly in that particular film. This section read, "Male Deltan wears traditional caftan with Deltan symbol on sleeve. Made of gabardine." (The Making of Star Trek: The Motion Picture, p. 133)
During a press conference, Ilia actress Persis Khambatta playfully announced, "Sex with a Deltan woman is like nirvana. After that no man can be satisfied with anyone else. The Deltan woman is so sophisticated sexually that any contact with a Human man would drive him insane. It's wonderful." After her hair was shaved off by makeup artist Fred Phillips, the Indian actress joked that the new bald appearance made her look like a Hare Krishna. ()
In the script of , stage directions indicated that Project Genesis scientist Jedda was intended to be Deltan.
=== Apocrypha ===
The Deltans' strong sexual presence, even without physical contact, was explained by pheromones and sub-conscious telepathy in Gene Roddenberry's ization of . When Ilia first appeared in the novelization, James T. Kirk reflected that he seemed to instinctively perceive her as naked, despite the fact she was in uniform, and realized this illusion was due to her baldness.
The novelization of Star Trek: The Wrath of Khan expanded on the suggestion of Jedda being Deltan, adding a female Deltan partner. It was also said that sexual activity between a Deltan and a non-Deltan means risking insanity for the non-Deltan.
According to the Star Trek: Star Charts ("United Federation of Planets I"), Delta IV joined the Federation in 2223, the year the Deltans became warp-capable.
In the first issue of the Doctor Who crossover comic Star Trek: The Next Generation - Doctor Who: Assimilation², the Deltans fall victim to an attack on their homeworld by the combined forces of the Borg and Cybermen as their first attack against the Federation on Stardate 45635.2. Their largest cities were targeted, followed by the destruction of their command-and-control infrastructure. Delta IV was overwhelmed in a matter of minutes, forcing its prime minister to order a planetary evacuation well before Starfleet's defensive task force could arrive.
=== External link ===
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