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D SECTION 2: Dd through Dn.


D'deridex-class.: Type of Romulan starship, also known by Starfleet as as a B-type warbird. These vessels are somewhat larger and ore massive than Federation Sovereign and Galaxy-class starships, measuring approximately 1,600 meters, and are believed to have a greater combat firepower, although they suffer from a comparatively lower speed capability. ("The Neutral Zone" [TNG #26]; "Where Silence Has Lease" [TNG #28]; "Contagion" [TNG #37]; "The Enemy" [TNG #55]; "The Defector" [TNG #58]; "Tin Man" [TNG #68]; "Future Imperfect" [TNG #82]; "The Mind's Eye" [TNG #98]; "Redemption" [TNG #100&101]; "Unification" [TNG #107&108]; "Face of the Enemy" [TNG #140]; "The Chase" [TNG #146]; "Timescape" [TNG #151]; "The Pegasus" [TNG #164]; "All Good Things..." [TNG #177&178]; "Visionary" [DS9 #63]). The D'deridex-class warbird was designed by Andrew Probert and first seen in "The Neutral Zone." Probert's original designs for the D'deridex featured the ship's double wings in a vertical rather than horizontal orientation, an idea that was nixed by producers because of the shows televised format and the traditional birdlike look of Romulan vessels. On some occasions, such as "The Defector and "Tin Man" these vessels were classified as B-type warbirds. It was not clear whether this designation refers to the class as a whole or to a specifically modified sub-class.
de Laure Belt.: Location of the planet Tau Cygna V. ("The Ensigns of Command" [TNG]). Presumably, the de Laure Belt is an occurrence within the Tau Cygna star system.
de Luz, Jenny.: Security ensign aboard the starship Enterprise. de Luz was a native of Meramar, a very old Terran colony with a martial culture. ("The Captain's Honor" [Pocket TNG #8]).
de Neuf, Mademoiselle.: Persona imposed on Seven of Nine while under the control of Hirogen neural interface in the French Resistance holodeck program. Mademoiselle de Neuf was a beautiful singer in a French tavern who was also a member of the underground, fighting against the Nazi occupation of her homeland. de Neuf entertained audiences at Le Coeur de Lion with such period songs as It Can't Be Wrong, Moonlight Becomes You, and That Old Black Magic. ("The Killing Game" [VGR]). 'Mademoiselle de Neuf' translates from French as 'Lady of Nine.'
Deadwood.: Terran town, in the North American state of South Dakota, that was recreated in the Ancient West holoprogram created by Barclay and Alexander in 2369. ("A Fistful of Datas" [TNG]).
Dealt, Hester.: Starfleet lieutenant commander, the medical trustee of the Federation Medical Collection Station on 'audet IX. Dealt supervised the transport of plasma plague samples aboard the starship Enterprise-D, bound to Science Station Tango Sierra to help combat the plague outbreak in the Rachelis system in 2365. ("The Child" [TNG]). Played by Seymour Cassel.
Dean.: Starfleet lieutenant stationed abaord the starship Enterprise-D in 2364. He was an accomplished swordsman and enjoyed fencing with Captain Picard in the ship's gymnasium. ("We'll Always Have Paris" [TNG]). Played by Dan Kern. Lieutenant Dean was named for episode co-writer Deborah Dean Davis.
Debin.: Leader from the planet Altec, father to Yanar. ("The Outrageous Okona" [TNG]). Played by Douglas Rowe.
Debrune.: Ancient offshoot of the Romulan people. Two millennia ago, the Debrune used planet Barradas III as an outpost, and left numerous archaeological ruins on the planet's surface. In 2370, the Debrune ruins were the target of mercenary treasure hunter Captain Arctus Baran, who was working for the Vulcan isolationist movement, searching for fragments of the ancient Stone of Gol. ("Gambit" [TNG]).
decibel.: Unit of measure for comparing sound intensity. A decibel is one-tenth of a bel. It is abbreviated dB. Sound above 140 dB can cause pain in the human ear. ("Blaze of Glory" [DS9]).
Decius.: Officer on the Romulan bird-of-prey that penetrated the Neutral Zone at Icarus IV in 2264. Decius's positiion aboard the cloaking test ship was the result of a political appointment, Decius was placed here to exert political pressure on the commander and centurion of that vessel, on the behalf of his powerful family members in the Romulan government. ("Balance of Terror" [TOS #8]). Played by Lawrence Montaigne. At some point in the TOS run, Lawrence Montaigne was on the 'short list' of actors selected to possibly be called back to replace Leonard Nimoy in the role of Spock, should he leave the series. Montaigne did return later, to play Stonn in "Amok Time"
Decius.: Romulan spaceship, D'Deridex-class warbird. In an alternate future holoprogram created by Barash, the Decius was the warbird that Admiral Picard and Commander Troi negotiated the Romulan/Federation peace settlement with Ambassador Tomalak on. ("Future Imperfect" [TNG #82]). TNG producers apparently were making a tip of the hat to the TOS episode "Balance of Terror," naming this ship for the first ever named Romulan character to be featured.
Decker.: Engineer assigned to Starbase DS9. ("In the Cards" [DS9]). The character of Decker was mentioned in dialogue, as a tip of the hat to the Deckers from the original Trek series and movies. It is unlikely this reference could be to any of the characters of Starfleet Academy, since it was established the Matt D. Decker was not on field assignment to DS9, nor an engineer, and his brother Robert had perished years earlier.
Decker, Dennis.: Starfleet admiral, father of Matthew D. Decker. ("Loyalty Test" [Marvel SA #3]; "Renegades" [Marvel SA #12]; "Heart of Darkness" [Marvel Unlimited #6]; "Reality's End" [Marvel Telepathy War #1]).
Decker, Matthew.: Starfleet commodore. Decker served as captain of the starship Yorktown, and then, as commodore, commander of the Constellation until his death in 2267. In 2250, Decker was an instructor at Starfleet Academy, where he first met Cadet James Kirk, although he would forget the meeting later. In 2267, the Constellation was attacked by a robotic planet killer. During the attack, the ship was severely damaged and Decker evacuated his crew to L-374 III, but shortly thereafter, the planet killer destroyed all the planets in that system, killing all 429 of his crew except for Decker, who remained to go down with his ship. Decker later commandeered a shuttlecraft from the starship Enterprise after being rescued and killed himself in a suicide attack against the planet killer. The attack was unsuccessful, although data recorded during his death showed Enterprise captain Kirk how to deal with the planet killer. ("The Doomsday Machine" [TOS #35]; "Prime Directive" [Pocket TOS HC #4]; ). Played by William Windom.
Decker, Matthew (mirror).: In the mirror universe, a Terran Empire admiral. Decker was summoned to settle a command dispute on the I.S.S. Enterprise, but by the time he arrived, the captain, James Kirk, had apparently already been eliminated by his executive, Spock. ("Fragile Glass" [Marvel Mirror, Mirror #1]). The events of the comic seem to fit with the milieu of the Mirror Universe that was presented in later DS9 episodes, but there are several varaint timelines in the mirror universe, so this may not be the history of those later stories.
Decker, Matthew Dennis.: Cadet first class at Starfleet Academy, in Omega Squadron under the supervision of Commander Zund. Decker is a descendant of Starfleet hero Matthew Decker. In 2372, shortly after being accepted to the Academy, Matthew was involved in the arrest of a Jex smuggling ring. Although he rescued a fellow cadet from death, his unsanctioned rescue attempt ruined a sting operation. After being assigned to Omega Squadron shortly thereafter, Decker was involved in an aborted first contact holo-training exercise where the computer, reacting to anomalous Ferengi programming sequences, developed sentience and attempted to kill the Omega cadets. ("Prime Directives" [Marvel SA #1], et al.).
Decker, Robert.: Starfleet officer. The son of Admiral Dennis Decker and brother to Matt Decker, Robert was lost in space. ("Prime Directives" [Marvel SA #1]; "Liberty" [Marvel SA #2]).
Decker, Willard.: Starfleet captain, commanding officer of the starship Enterprise from 2269 to 2272. Decker, the son of Starfleet hero Commodore Matt Decker, was personally chosen by Admiral Kirk to be his successor as Enterprise captain, with Will supervising its extensive three year refit. When the V'Ger probe began approaching Earth, the Enterprise was rushed to readiness and Admiral Kirk took command, making Decker his executive officer for the mission. Prior to his Enterprise command, Decker had been stationed on planet Delta IV and became acquainted with Ilia. He ha also served as executive officer aboard the starship Boston. Will was picked up by the Enterprise at Starbase 10 on stardate 6782. Decker was apparently killed when he physically joined with V'Ger to dissuade that entity from destroying Earth. Listed as "missing in action." ("The Motion Picture" [Movie #1]). Played by Stephen Collins. Production info for "The Motion Picture" indicates that this character was indeed intended to be the son of "The Doomsday Machine" character of Commodore Matt Decker, although that fact was never established in canon dialogue.
decompression chamber.: Medical treatment facility aboard Federation starships for patients requiring exposure to atmospheric pressures other than Class-M normal. ("Space Seed" [TOS]; "The Empath" [TOS]; "The Lights of Zetar" [TOS]).
decon chamber.: Short for decontamination chamber, an enclosed compartment for the elimination of harmful substances and organisms from the body. Enterprise has a decon chamber for use upon return to the ship from a planet. The chamber is lit with ultraviolet light and features small compartments for the transfer of decon-gel. ("Broken Bow" [ENT #1&2]).
decon-gel.: Short for decontamination gel, a semisolid liquid for the elimination of harmful substances and organisms when applied to the body. Decon-gel is customized to the specific substance or organism to be eliminated. It is employed primarily in the decon chamber aboard Enterprise. ("Broken Bow" [ENT #1&2]).
Decos Prime.: Planet. In 2375, Decos Prime was the site of a Federation base. ("Treachery, Faith and the Great River" [DS9]).
Decton.: Inhabitant of Beta Epsilon VI. ("Mortal Gods" [DC TOS #5]).
DeCurtis.: Starfleet ensign assigned to Deep Space 9. DeCurtis assisted command personnel in isolating the replicant O'Brien from sensitive areas of the station. ("Whispers" [DS9]). Played by Todd Waring.
dedication plaque.: Commemorative plate located on the bridge of Federation starships.
Deela.: Queen of the Scalosian civilization. She commandeered the Enterprise in 2268, intending to procure a supply of fertile males for the perpetuation of her people. Like all Scalosians, Deela's biochemistry had undergone hyperacceleration, so one hour for her was like one of our seconds. Deela was attracted to James Kirk, and accelerated him to her level. Kirk thwarted her plans, and Deela subsequently returned to Scalos with her people. ("Wink of an Eye" [TOS]). Played by Kathie Browne.
Deela: Bajoran national. She helped care for Cardassian war orphans at the Tozhat Resettlement Center in 2370. Deela was a member of the Bajoran underground during the Cardassian occupation of her homeworld. ("Cardassians" [DS9]). Played by Karen Hensel, who had previously portrayed Admiral Ruah Brackett. Deela's name was never mentioned in the aired episode and only appeared in the script.
Deep Space 3.: Federation space station, commanded by Admiral Marcus Holt. In 2370, the U.S.S. Hera left Deep Space 3 on a routine courier mission. Shortly after its departure, the Hera disappeared without a trace. ("Interface" [TNG]).
Deep Space 4.: Federation space station. Archaeologist Richard Galen hoped to gain passage at Deep Space 4 on an Al-Leyan transport to Caere as part of his quest to learn about the first humanoids to live in our galaxy. ("The Chase" [TNG]).
Deep Space 5.: Federation space station. In an alternate quantum reality visited by Worf in 2370, Deep Space 5 was the object of covert surveillance by the Cardassians, who had reprogrammed the Argus Array to observe the station, as well as other Federation installations. Deep Space 5 was located near planet Ivor Prime, and received and sent word of that colony's destruction by the Borg in 2373. ("Parallels [TNG]; "First Contact" [Movie #7]).

Deep Space 9.: Federation space station located in the Denorios Belt of the Bajor star system, near the opening of the Bajoran wormhole. Commanded by Colonel Kira Nerys. ("Birthright" [TNG #142&143]; "Emissary" [DS9 #1&2]; et al.; "Caretaker" [VGR #1&2]; "Avatar" [Pocket DS9]; "Red Sector" [Pocket TNG #53]).
"Deep Space Nine.": Unpublished science fiction novella by Earth novelist Benny Russell. Deep Space Nine was the first in a series of compelling stories of a man named Benjamin Sisko, who commanded an alien space station on the edge of the final frontier. Science-fiction aficionado Darlene Kursky thought Deep Space Nine was the finest story she had read since Robert Heinlein's The Puppet Masters. Unfortunately, Russell's publishers feared the fact that the story featured a black man as its hero would make it unacceptable to mid-20th century readers, so the story remained unpublished. ("Far Beyond the Stars" [DS9]).
Deep Space Station K-7.: Federation space station. ("The Trouble with Tribbles" [TOS]; "Trials and Tribble-ations" [DS9]).
Deep Space Station K-12.: Federation space station. ("The Flat, Gold Forever" [Marvel EV #7]).
Deep Space Station M-20.: Federation space station. The starship Enterprise visited this station on stardate 5462 for a Federation science summit. An investigation into the recent destruction of the starship Sphinx caused agents of Section 31 intelligence to murder Captain Darres while the Enterprise was present to prevent him from uncovering their secret activities in the Lantaru sector. ("Cloak" [Pocket TOS Section 31]).
Deep Space Station R-5.: Federation base the starship Sphinx was due to visit prior to its destruction. ("Cloak" [Pocket TOS Section 31]).
deep tissue scan.: Medical scan done as part of a post mortem investigation. ("Sub Rosa" [TNG]).
Defiant (mirror).: Starship constructed by the Terran resistance in the mirror universe for their struggle against the Alliance. The Defiant was a close copy of the Federation starship of the same name from our universe, and was built using technical information downloaded by "Smiley" O'Brien during his visit to this universe's starbase Deep Space 9 in 2371. The mirror Defiant was launched in 2372. Piloted by our universe's Benjamin Sisko, this Defiant led the Terran resistance in fending off an Alliance fleet led by Regent Worf. ("Shattered Mirror" [DS9]).

Defiant-class.: Type of Federation starship, classified as an escort. The Defiant-class, in it current incarnation, was first planned in 2365 as a possible defense against a Borg invasion, based on the reports of the starship Enterprise-D's encounter at system J-25. TacFleet's Lieutenant Commander Elizabeth Shelby was one of the supervisors in the defense planning. As of late 2366, when a Borg cube attacked the Federation, the Defiant weapons systems were still eighteen to twenty-four months from completion. The prototype NX-74205 was built at Antares Fleet yards, but due to the lessened danger of Borg incursion following the Enterprise's victory at Terra in 2367, the project was put on hold and the prototype drydocked. In 2370 when the Jem'Hadar made their presence known by the destruction of New Bajor, Commander Sisko requested the vessel be assigned to Deep Space Nine. It was officially commissioned and launched on stardate 47538.5. Several more vessels entered series production following the official shakedown of the Defiant (although that vessel retained its NX registry and experimental status until its destruction on 2376). Four decks in height, the Defiant-class is equipped with state of the art defenses and weapons, including quantum torpedoes, phaser cannons, ablative armor, and thanks to a special treaty with the Romulan Empire is the only Federation starship to be equipped with a cloaking device. With the new hostilities with the Dominion and Cardassians, several more Defiant-class vessels have been constructed and have joined the fleet in battles near Bajor. To date, only the Defiant, Monitor and Sao Paulo have been equipped with cloaking devices. Some ships of this class include the Defiant, Sao Paulo, Monitor, and Valiant. ("Q-Who?" [TNG #42]; "The Best of Both Worlds" [TNG #74&75]; "The Search" [DS9 #47&48]; et al.; "Valiant" [DS9]). Designed by James Martin under the direction of Herman Zimmerman and Gary Hutzel. Model built by Tony Meininger. Interior sets supervised by Herman Zimmerman. The Defiant was originally designated the Valiant and some plans still bore the name Valiant-class in "The Search;" although later episodes clarified that the Defiant was the first ship of its class. The name Valiant was eventually used in an episode for a Defiant-class ship. Information about the Defiant's commissioning and construction locale is derived from the Defiant's dedication plaque.
Defiant, U.S.S.: Federation starship, Constitution-class heavy cruiser, Starfleet registry NCC-1764. The Defiant was commanded by Captain Blair. The Defiant took casualties in 2366 when a baffle plate in it's engineering section blew open to space in the Beta Aurigae system, exposing several crewmembers, including Lt. Tonia Barrows, to Bethold Rays. The Defiant was lost with all hands in Tholian space when an interphase effect caused madness among its crew. A Starfleet Corps of Engineers team was able to recover the vessel in 2378 when it shifted back into our reality. ("A Small Matter of Faith" [DC TOS #56]; "The Tholian Web" [TOS]; "Interphase" [Pocket SCE]; Begin Tactical Starship Simulator [Clockwork Software]; Federation Starship Recognition Manual [FASA RPG]). The NCC-1764 registry number for the Defiant was suggested in behind the scenes material, published as part of the FASA game. The number became widely accepted when it was included in the Star Trek Encyclopedia.
Defiant, U.S.S.: Federation starship, Defiant-class escort, Starfleet registry NX-74205. Second starship to bear the name Defiant. Built at Antares shipyard, classified as an escort, the prototype in a new series of battleships in a program begun in 2365 to combat the possible Borg threat. After the Enterprise-D defeated the Borg in Earth orbit in 2367 the Defiant project was put on hold, and the prototype was mothballed. It was brought back into service in 2371 and assigned to Starbase Deep Space Nine to help defend against the Dominion, after the destruction of the U.S.S. Odyssey and the New Bajor massacre. The Defiant is equipped with a cloaking device due to a special treaty with the Romulan Empire. The Defiant was refit in 2372 with ablative armor capable of defending against fire while unshielded. The Defiant's weapon systems were upgraded at Starbase 113 in 2372 after the Klingons pulled out of the Khitomer accords and attacked the Federation starbase Deep Space 9. The Defiant was destroyed in battle with the Breen in 2375 while under the command of Captain Benjamin Sisko. ("The Search" [DS9 #47&48]; et al.; "Way of the Warrior" [DS9 #73&74]; "Bonds of Honor" [Mali bu DS9 Worf Special #1/1]).

Defiant, U.S.S.: Federation starship, Defiant-class escort, Starfleet registry NCC-75633. Third starship to bear the name Defiant. The newest Defiant was originally named the U.S.S. Sao Paulo, but was renamed Defiant in 2375 by a special dispensation of Admiral Ross. The vessel's first mission was under the command of legendary Captain Benjamin Sisko is the pivotal battles at the end of the Dominion War, the Second Chin'toka Campaigns and the Battle of Cardassia Prime. Sisko's vessel was a key ship in the organization of the Alpha Quadrant Accords. The ship is currently assigned to Starbase Deep Space Nine, under the command of Elias Vaughn, executive officer of that station. In its short life, the vessel has already made a name for itself with many key missions, including the aforementioned Dominion resolutions, quelling terrorist actions on Trill (along with the Enterprise-E), the Europa Nova evacuation (alongside the Gryphon), and a subsequent Jarada conflict at Torona IV. Reoutfitted with expanded sensor apparatus, the vessel has been officially detached from Deep Space Nine under Vaughn's command for an exploratory mission in the Gamma Quadrant, along the edge of what is considered to be Dominion space. ("What You Leave Behind" [DS9]; "Avatar" [Pocket DS9]; "Twilight" [Pocket DS9 Mission: Gamma #1]). Proper Starfleet registration would have this vessel retain its construction contract number, although the battle sequences of "What You Leave Behind" made extensive use of stock footage showing the hull number as NX-74205. Since this is ludicrous in the eyes of what a registry number is meant to do, I believe it can be disregarded. Perhaps the ship carries its predecessor's colors in an honorary fashion though, if you wish to stand by the episode's visuals.
deflector.: Term for an application of starship technology which allows a vessel to protect itself from space debris and ambient energy when moving at superluminal speeds. Deflectors clear the space in front of and around a starship to prevent damage during maneuvers.
deflector dish.: Large outboard structure on most Federation starships, the source of navigational and combat deflector shields. Usually located below the saucer, in the forward secondary hull. The deflector dish is capable of channeling more energy through it than any other part of the ship. In 2366, the starship Enterprise-D used it's deflector dish to create an intense blast of high frequency energy designed to destroy a Borg cube headed to Earth. The blast burnt out the ship's engines, and rendered the entire forward half of the stardrive section and the lower half of the saucer uninhabitable. The next year, the Enterprise-D attempted a similar blast to allow them to escape from a Tyken's Rift, but did not have enough power. In 2372 the starship Voyager channeled energy through it's deflector dish in an attempt to escape from a subspace divergence field that was duplicating their ship. In 2373, the starship Enterprise-E, while trapped in the past, was forced to jettison it's deflector dish in order to prevent Borg operatives from contacting reinforcements from that era. ("The Best of Both Worlds" [TNG #74&75]; "Night Terrors" [TNG #@]; "Deadlock" [VOY #37]; "First Contact" [MOV #8]).
DeGaeta.: ("Red Sector" [Pocket TNG #53]).
Dehner, Elizabeth: Situational phychologist aboard the starship Enterprise is 2264. Dehner was assigned to the Enterprise to study the crew's reactions under stress during its five-year mission, but she perished shortly after the ship's disastrous mission to the galactic edge, an incident in which 11 crewmembers were lost. Dehner became mutated, along with Lieutenant Commander Gary Mitchell, into a godlike being. Dehner, along with Mitchell were later killed when Captain Kirk sought to quarantine them on planet Delta Vega. Both were later listed as having given their lives in the line of duty. ("Where No Man Has Gone Before" [TOS #1]). Played by Sally Kellerman. Kellerman would go on to originate the role of "Hot Lips" Houlihan in Robert Altman's 1969 film, M*A*S*H.
Dejar.: Cardassian woman, an operative of the Obsidian Order. In 2371 Dejar posed as a scientific colleague of Ulani and Gilora and attempted to sabotage a joint Cardassian-Bajoran scientific effort to place a subspace relay in the Gamma Quadrant. ("Destiny [DS9]). Played by Jessica Hendra.
Dejaren.: Holographic technician aboard a Serosian starship. Designated as an HD-25 isomorphic projection, Dejaren was assigned to perform hazardous tasks such as cleaning the reactor core and ejecting antimatter waste. Over time Dejaren began to experience a serious malfunction of his personality subroutines. He began to hate organic life-forms, becoming violently deranged. Around stardate 51186 he killed the vessel's six crew members. After experiencing problems in his holographic projection systems, he sent a distress call. Voyager personnel Torres and the Doctor responded to the call, but were forced to destroy Dejaren when he attacked both Voyager crew members. ("Revulsion" [VOY]). Played by Leland Orser, who had previously portrayed Gai in "Sanctuary" [DS9] and Colonel Lovok in "The Die is Cast" [DS9].
Dekon Elig.: Bajoran geneticist who invented an aphasia virus, intended for use as a terrorist weapon against the Cardassian occupation forces. Dekon Elig, who was a member of the Bajoran Higa Mentar underground, died while attempting escape from the Cardassians at the Velos VII Internment Camp in 2360. Dekon's aphasia virus was accidentally unleashed on Deep Space 9 in 2369, after the Cardassian retreat from Bajor. ("Babel" [DS9]). The face of Dekon Elig, seen only as mug shot in a computer screen, was provided by Star Trek visual effects producer Dan Curry.
Dekora Assan.: Person murdered on planet Japori II in 2371. Retaya, a Flaxian assassin, was accused of the murder, but later cleared of the charge. ("Improbable Cause" [DS9]).
Delaney, Jenny.: Starfleet officer in the stellar cartography department aboard the U.S.S. Voyager, twin sister of Megan Delaney. Tom Paris tried to set Jenny up on a date with Harry Kim shortly after the ship was lost in the Delta Quadrant. Jenny Delaney and Harry Kim eventually went on a double date, along with Paris and sister Megan, just prior to stardate 48642, sharing a gondola in a Venice holodeck program. During the date, Harry fell over the side of the boat. Jenny also participated in the Captain Proton holonovels as a date with Harry.. ("Time and Again" [VOY]; "Prime Factors" [VOY]).
Delaney, Megan.: Starfleet officer in the stellar cartography department aboard the U.S.S. Voyager, twin sister of Jenny Delaney. Megan Delaney dated Lieutenant Tom Paris while Jenny, went out with Ensign Harry Kim. Their more memorable double dates was a Venice holodeck program, and their adventures in the Captain Proton holonovels. ("The Chute" [VOY]; "Prime Factors" [VOY]).
Delaplane.: Governor of the planet Pacifica. Delaplane sent a message to Starfleet Command when Picard canceled a scheduled visit of the Enterprise-D there in 2364. ("Conspiracy" [TNG]).
Dell.: Starfleet crew member assigned to the U.S.S. Voyager. In 2374, when Captain Janeway enlisted the ship's crew to help carry out the Omega Directive, Dell was assigned the task of recalibrating the ionic pressure seals of a harmonic resonance chamber. For the project, Seven of Nine designated Dell as "Three of Ten." ("The Omega Directive" [VOY]).
Dellas.: ("Cloak" [Pocket TOS Section 31]).
Delphi sector.: ("Judgment Rites" [Interplay TOS]).
Delphi, U.S.S.: Federation starship. ("Present Tense" [Pocket TOS Janus Gate #1]).
Delphinus, C.S.S.: Combined Earth services sailing ship on Earth in the 21st century. ("Strangers From the Sky" [Pocket TOS Giant #2]).
Delta IV.: ("The Motion Picture" [Movie #1]).
Delta Arlana.: Star system. Starfleet medical officer Nina Popov accepted a research internship here in 2288, cutting short her tour on the starship Enteprise-A. ("Veritas" [DC TOS vol.2 #30]).
Delta Canaris IV.: ("The Klingon Gambit" [Pocket TOS #3]).
Delta Darius: Star in Federation space whose system contains the planet Darius III. (Star Fleet Intelligence--Operations Manual [FASA RPG]).
Delta Flyer.: Auxiliary craft aboard the starship Voyager. This advanced shuttlecraft was designed and built by the crew of the U.S.S. Voyager in early 2375. The Delta Flyer featured ultra-aerodynamic contours, retractable nacelles, parametallic hull plating, a tetraburnium alloy hull, unimatrix shielding, and Borg-inspired weapons systems including photonic missiles. The ship also employed duranium construction in its hull. Thomas Paris, who was responsible for the basic design of the spacecraft, incorporated ancient control levers and meters from his Captain Proton holoprogram into the Delta Flyer's pilot control console because he wanted to feel the ship he was piloting. Numerous other Voyager crew members collaborated on the Flyer's design and construction. On it's first mission, the shuttle entered the atmosphere of a gas giant planet on a mission to retrieve Voyager's advanced multispatial probe. The Delta Flyer was seriously damaged during an ion storm when it was forced to make its first planetfall. The shuttle and its crew were trapped in a cavern under tons of rock, but both survived due to the robust construction techniques employed in the vessel. The Delta Flyer was later destroyed during an assault mission while inserting a combat team into a Borg Unimatrix. ("Extreme Risk" [VGR]; "Once Upon a Time" [VGR]). The Delta Flyer was designed by series production designer Richard James and senior illustrator Rick Sternbach.
Delta Flyer II.: Auxiliary craft aboard the starship Voyager. This ship was a replacement for the first Delta Flyer that was destroyed by the Borg.
Delta Vega.: Desolate planet located a few light-weeks from the galactic barrier. ("Where No Man Has Gone Before" [TOS #1]).
Delta Vega Lithium Cracking Station.: Federation automated mining facility on Delta Vega. ("Where No Man Has Gone Before" [TOS #1]).
Delta Veylos.: Inhabited planet that was once at war with Arvaga. A settlement to the dispute was mediated by Ambassador Sarek in the 2230s. ("Homeworld" [DC TOS vol.2 Annual #3]).
delta wave inducer.: Medical instrument used to induce sleep. ("Invasive Procedures" [DS9]).
Deltans.: Humanoid species native to planet Delta IV. Deltans exhibit a characteristically bald head, except for eyebrows, and are known for their highly developed sexuality. Enterprise navigator Ilia was a Deltan. ("The Motion Picture" [Movie #1]; "Doors into Chaos" [Pocket Gateways #3]).
Delvok.: Composer of Vulcan études. Jadzia Dax felt his music too emotional for a Vulcan. ("Melora" [DS9]).
Delytharen.: ("Chainmail" [Pocket Gateways #2]).
Demeter, U.S.S.: Federation starship, a science vessel under the command of Commander John Gellman. The ship is named after the Greek goddess of agriculture. The Demeter was at Balkos III for scientific research in the 2260s. ("Judgment Rites" [Interplay TOS]).
"Demons of Air and Darkness.": Name given to the ancient Iconians in ancient texts, referring to the Iconians' legendary ability to travel without spacecraft, using an advanced technology to transport between planets. ("Contagion" [TNG]).
Deneb IV.: ("Encounter at Farpoint" [TNG #1&2]).
Deneb V.: ("I, Mudd" [TOS]).
Denebians.: Humanoid civilization(s) native to the planets of the Deneb star system. The Denebians purchased all rights to a Vulcan fuel synthesizer from confidence man Harry Mudd in 2267. The Denebians contacted the Vulcans and found the sale a ruse. Mudd was arrested and given several colorful choices of execution, none of which appealed to Mudd. ("I, Mudd" [TOS]).
Deneva.: Federation colony. ("Operation: Annihilate!" [TOS]).
Deneva-class.: Type of Federation starship. (Star Trek Encyclopedia). This class name was invented by Michael Okuda and his compatriots in the art department for background graphics and in the Encyclopedia as background information for vessels mentioned in Star Trek: The Next Generation.
Deneva, U.S.S.: Federation starship, the prototype of the Deneva-class. (Conjecture). The existence of this ship is implied by the use of the term "Deneva-class" in reference to other vessels by the Star Trek Encyclopedia, though to date it has not been seen or mentioned in any episode, film, or other canon source. Presumably named in remembrance of the colony whose population was devastated by neural parasites in "Operation: Annihilate" [TOS].
Denevan ship.: Small spacecraft operated by a single person. A Denevan ship was flown by a colonist from Deneva in 2267 who had been infested by the Denevan neural parasites, and in desperation, he flew the ship directly into the Denevan sun. Just prior to the ship's incineration, the pilot was freed from the parasites, which apparently were unable to tolerate the intense levels of ultraviolet radiation. The pilot's death provided valuable information for the control and eradication of the parasites from Deneva. ("Operation: Annihilate" [TOS].).
denkir.: Unit of volume measure used by Zibalians. One hundred denkirs is about equal to 200 milliliters. ("The Most Toys" [TNG]).
Denning, Rex.: General in the Terran United States Army Air Corps in the year 1947. When a time-tossed Ferengi shuttle crashed in Roswell, New Mexico in that year, General Dennign was the officer in command of dealing with the situation. ("Little Green Men" [DS9 #80]). Played by Charles Napier. Napier previously appeared as Adam in "The Way to Eden" [TOS #75]. He also played Cmdr. Gilmour in the film Austin Powers: International Man of Mystery and Tucker McElroy in The Blues Brothers.
Denorios Belt.: Energetic asteroid belt of the Bajoran star system, the home of the Bajoran wormhole. The Starbase Deep Space Nine is located peripheral to the Denorios Belt. ("Emissary" [DS9 #1&2]).
Denver, U.S.S.: Federation starship, Yorkshire-class transport, Starfleet registry NCC-54927. Named for the Terran city which is the state capital of Colorado. The Denver was transporting 517 colonists to the Beloti Sector on stardate 45587 in 2368, when the ship struck a gravitic mine left over from the Federation’s war with the Cardassians. The ship sustained heavy damages, and crashed in the Mericor system. The starship Enterprise-D subsequently arrived to assist the survivors. ("Ethics" [TNG]). The class and registry is given in the Star Trek Encyclopedia and is not derived from the filmed episode.
DePaul.: ("Dreams of the Raven" [Pocket TOS #34]).
derada.: Board game. Derada is a complex and subtle game of strategy played with eight pieces on each side on a board with sixteen spaces. Tom Paris and B'Elanna Torres played derada while traveling through the Void aboard Voyager in 2375. ("Night" [VOY]).
dermal regenerator.: Starfleet medical instrument used to repair damaged epidermal tissue. ("The Homecoming" [DS9]; "State of Flux" [VGR]).
DeSalle, Anton.: Starfleet command officer, former commander of the cutter Republic, who also captained a destroyer-type vessel in the mid to late 23rd century. DeSalle had previously served aboard the Enterprise, and was placed in temporary command of that vessel when Kirk, Spock, Sulu and Scott were dispatched to a planetary mission on Beta XII-A. ("Wagon Train to the Stars" [Pocket TOS New Earth #1]; Begin Tactical Starship Simulator [Clockwork Software]). Played by Michael Barrier. During the run of Star Trek: The Original Series, "Catspaw" was the first time that all of the senior officers of the cast were off the ship, The captain, first officer, chief engineer and helmsman were all absent. Theoretically, this should have left Lieutenant Uhura in command, but for some reason they chose to introduce a more senior officer than Uhura, DeSalle, to be in command of the vessel. The Begin game software put each captain name in command of a random vessel each time the game was played, so DeSalle was seen commanding many destroyers.
DeSoto, Robert.: Commanding officer of the starship Hood. ("Encounter at Farpoint" [TNG #1&2]). Played by Michael Cavanaugh.
Destiny, U.S.S.: Federation starship. Shortly after the death of Jadzia Dax in late 2374, the Destiny undertook the mission of transporting the Dax symbiont from station Deep Space Nine back to Trill. While en route, the symbiont took a turn for the worse, and it became necessary to conduct an emergency transfer of the symbiont to the body of Ensign Ezri Tigan, the only Trill aboard the vessel. The Destiny returned to station Deep Space Nine in early 2375 before joining the Seventh Fleet at Kalandra under the command of Captain Raymer. Ezri Dax was to have rejoined the ship's crew, but instead elected to accept a posting aboard the station. While serving aboard the Destiny, prior to her joining with the Dax symbiont, Ezri had once pursued a relationship with crewmate Ensign Brinner Finok. ("Shadows and Symbols" [DS9]; "Afterimage" [DS9]; "Prodigal Daughter” [DS9]). Quite possibly, this ship was named for the Destiny science lab module of the International Space Station, one of the United States’ contributions to that project.
detronal scanner.: Medical instrument used to read and encode the DNA patterns of living tissue. ("Ethics" [TNG]).

Detroyat-class.: Type of Federation starship used in the first half of the 23rd century. The Detroyat design was a heavy destroyer, consisting of a saucer with a large blocky underslung secondary hull, and two warp nacelles slung to either side. This class was equipped with PB-25 series warp nacelles, high-test larger engines that, in a modified form, would become the standard for many 23rd century starship classes, including the subsequent Constitution-class. Designed for speed and maneuverability, these vessels would be deceptively large for their destroyer classification. Ten of these vessels were built in the initial production run, coming in fairly well over-budget. This class crewed a standard 316 crewpeople in the original configuration. After their lifetimes as destroyers were over (with the introduction of newer, more heavily armed patrol ships), these vessels were classified as escorts in the 2250s and later reclassified for scouting and picket duties for the rest of their operational lifetimes. The first vessel of this type built was the U.S.S. Detroyat, NCC-1100. The only Detroyat lost in the line of duty was the U.S.S. Niantic, which disappeared in the M-370 star system shortly after rendezvous with the starship Constellation. Although no wreckage was ever found, there is a high degree of probability that the Niantic also fell victim to the planet-killer that the Constellation fell to. The Detroyat-class starship Resolution would be refit as the testbed for a new design of fleet frigate, what would eventually become the Miranda/Surya-classes. (U.S.S. Detroyat Class Heavy Destroyer Blueprints; Ships of the Star Fleet vol.1).
Detroyat, U.S.S.: Federation starship, prototype for the Detroyat-class heavy destroyer, Starfleet registry NCC-1100. The Detroyat was commissioned in the early 23rd century, and was later reclassified as an escort, and then a scout. (U.S.S. Detroyat Class Heavy Destroyer Blueprints; Ships of the Star Fleet vol.1).
deuterium: Form of hydrogen.
deuterium maintenance.: Technical support repair crew aboard a Federation starship responsible for the ship's supply of slush deuterium fuel. Captain Janeway of Voyager ordered Neelix to serve two weeks on this crew scrubbing the exhaust manifolds in 2373. ("Fair Trade" [VGR]).
Devidians.: Intelligent life-forms native to planet Devidia II. The Devidians existed in a slightly different time continuum from "normal" matter, and thus were only barely detectable to an observer in "normal" time. The Devidians thrived on neural energy that they stole from dying life-forms. In 2368, the Devidians sent an expedition back in time to 19th century Earth, where they attempted to extract large amounts of neural energy from victims of the cholera epidemic in the city of San Francisco. They were prevented from continuing to do so by members of the Enterprise-D crew who also traveled back in time. ("Time's Arrow" [TNG #126&127]).
Devonshire, U.S.S.: Federation starship, Coronado-class through-deck cruiser. (Ships of the Star Fleet, vol.1).
Devoras.: Romulan spaceship, D'Deridex-class warbird, commanded by Admiral Mendak. The Devoras met the Enterprise-D inside the Romulan Neutral Zone, ostensibly to transfer Federation Ambassador T'Pel aboard the Devoras for treaty negotiations, in 2367. In actuality, T'Pel was a Romulan agent, Subcommander Selok, and the transfer was her means of escape into Romulan hands. ("Data's Day" [TNG]).
Devore, U.S.S.: Federation starship, Akira-class heavy cruiser, Starfleet registry NCC-64088. Commanded by Captain Joshua Martin, this vessel was assigned to colonial defense in the Maelstrom on the Federation-Cardassian border. ("Bridge Commander" [Activision]).
Dextera 273: Star in Federation space whose system contains the planet Dadax. (Star Fleet Intelligence--Operations Manual [FASA RPG]).
D'Ghor.: Klingon.
diamond slot formation: Aerobatic maneuver requiring five single-pilot spacecraft. The outer four craft form up in a diamond shape, with the fifth craft inserting itself into the center or slot of the diamond. The maneuver was used a demonstration of piloting prowess by cadets at Starfleet Academy. ("The First Duty" [TNG]).
Dictates of Poetics.: Essay by T'Hain of Vulcan, a guide to dramatic writing. Dictates of Poetics proffered that a character's actions must flow inexorably from his or her established traits. ("Worse Case Scenario" [VOY]).
Dierdre, S.S.: Freighter spacecraft which supposedly sent a distress call to the Enterprise on stardate 3497. The signal was a hoax sent by a Klingon vessel, the second Klingon attempt to prevent the Enterprise from returning to planet Capella IV. Upon receipt of the fraudulent message, Chief Engineer Scott succinctly commented, "Fool me once, shame on you. Fool me twice, shame on me." ("Friday's Child" [TOS]). It was unclear in the episode whether the Dierdre was a real spacecraft, or was a fictional one completely fabricated by the Klingons.
Dietrich.: Security crewman aboard the starship Enterprise-A. ("So Near the Touch" [DC TOS Annual #1]).
DiFalco.: ("The Motion Picture" [Movie #1]). Played by Marcy Lafferty.
dikironium cloud creature.: Gaseous entity that could change its molecular form, was capable of traveling across interstellar space, and could be recognized by a characteristic sickly-sweet smell. The cloud creature fed on the red blood cells of humanoid life-forms and was able to camouflage itself by momentarily throwing itself out of time sync, permitting it to be two places at once. This creature attacked the U.S.S. Farragut in 2257, killing the ship's captain and 200 of the crew. Lieutenant James T. Kirk, a crew member aboard the Farragut at the time, fired on the creature, with no effect. Years later, in 2268, the Enterprise, with Captain James Kirk in command, encountered the same entity. Kirk followed the creature to planet Tycho IV, where he destroyed it with an antimatter blast. ("Obsession" [TOS]).
dilithium.: ("Mudd's Women" [TOS]).
DiMuro, Fred.: Starfleet lieutenant officer, a maintenance engineer who served on Spacedock. He was later assigned to the starship Reliant. ("The Pandora Principle" [Pocket TOS #49]).
Dimorus.: Planet. ("Where No Man Has Gone Before" [TOS #1]).
dirak.: Monetary unit used by the Karemma. ("The Search" [DS9]).
direct reticular stimulation: Medical procedure in which electrical energy is applied directly to the nervous system of a humanoid patient in an attempt to revive neural activity. A device called a neural stimulator is used in this procedure. Direct reticular stimulation was unsuccessfully attempted when Natasha Yar was critically wounded by Armus. ("Skin of Evil" [TNG]).
Discovery, U.S.S.: Federation starship, a cruiser-type vessel, Starfleet registry NCC-1798. Discovery was built in the 23rd century. (Federation Starship Recognition Manual [FASA RPG]). The FASA manual lists this as a Constitution-class vessel, one of hundreds. Doesn't seem likely. The given registry of NCC-1798 conflicts with the Technical Manual registry of the U.S.S. Czar'ak, but that vessel was listed as cancelled in Ships of the Star Fleet [Mastercom]. The registry was later triple-listed, as Shane Johnson's Mr. Scott's Guide to the Enterprise listed the registry as being taken by the U.S.S. Ti-Ho.
diseases.: SEE: Altarian encephalitis; Anchilles fever; Andronesian encephalitis; aphasia; Ba'ltmasor syndrome; Barclay Protomorphosis Syndrome; Bendii syndrome; blight, the; cholera; cold, common; celeibric hemorhage; Corellium fever; Darnay's disease; enantiodromia; eosinophilia; Gualter's neuromyelitis; hemocythemia; Hesperan thumping cough; Iresine Syndrome; Iverson's disease; Kalla-Nohra Syndrome; lacunar amnesia; Larosian virus; Lewis, Jerry; Life Prolongation Project; Marionis fever; menal tasarin; microvirus; nitrogen narcosis; phage; Phyrox plague; plasma plague; Pottrik Syndrome; Psi 2000 intoxication; pyrocyte; Rigellian fever; Rigellian Kasaba fever; rop'ngor; Rushton infection; Sakuro's disease; Synthococcus novae; Symbalene blood burn; Telurian plague; Temporal narcosis; tennis elbow; thelusian flu; transporter psychosis; V'Daran fever; Vegan choriomeningitis; xenopolycethemia; xenosis; Zelaznan fever. SEE ALSO: drugs.
dispersion field.: ("Concerning Flight" [VGR]).

disruptor.: Directed energy weapon used by the Romulans, Klingons, Breen and sometimes by Cardassians. ("Hero Worship" [TNG #111]; "Generations" [Movie #7]; "Aquiel" [TNG #139]; "Profit and Loss" [DS9 #38]; "Return to Grace" [DS9 #86]).
Distant Origin Theory.: ("Distant Origin" [VGR]).
distortion ring being.: Noncorporeal life-form that was a sentient spatial phenomenon capable of literally changing the shape of space. In 2372, the Voyager encountered a distortion ring being in the Delta Quadrant. In an attempt at communication, the anomaly immobilized the ship, disrupted communications and computer control, and caused the ship's physical arrangement to change. Only after the distortion wave had passed did the Voyager crew realize that the phenomenon was a sentient, intelligent being. During its encounter with Voyager, the distortion ring being deposited some twenty million gigaquads of information into the starship's computer memory banks. ("Twisted" [VOY]).
Diversity.: Vulcan science vessel. ("The Pandora Principle" [Pocket TOS]).
Divok.: ("Rightful Heir" [TNG]). Played by Charles Esten.
divorce.: ("The House of Quark" [DS9]).
Dixon.: Engineering crewperson on the starship Enterprise. ("Cloak" [Pocket TOS Section 31]).
D'jarra.: Name of an ancient Bajoran caste system. ("Accession" [DS9 #89]).
d'k tahg.: Type of Klingon dagger. ("The Search for Spock" [Movie #3]).

D'Kora-class.: Type of Ferengi starship, classified as a marauder. ("The Last Outpost" [TNG #7]; "The Battle" [TNG #10]; "Peak Performance" [TNG #47]; "The Price" [TNG #56]; "Force of Nature" [TNG #161]).
DMZ.: SEE: Demilitarized Zone. ("The Maquis" [DS9]).
DNA.: Acronym for deoxyribonucleic acid, the building block of many forms of life within our galaxy.. ("The Chase" [TNG]).
DNA reference scan.: Medical test to confirm an individual's identity by matching DNA patterns. Kobliad security officer Kajada asked Dr. Julian Bashir to order a DNA reference scan to confirm the identity of a body believed to be that of her prisoner, Rao Vantika. ("The Passenger" [DS9]).
DNA resequencing.: The procedure of altering a lifeforms genetic code in order to create specific results in its growh or development. Unless used as a cure for a pre-existing illness or research, DNA resequencing is illegal within the Federation becuase of its eugenic consequences. ("Chrysalis" [DS9]).
D'ndai.: Xenexian man and brother to M'k'n'zy. After M'k'n'zy left Xenex, D'ndai worked to build a new government for his people and forged ties to their former oppressors, the Danterians. In time, D'ndai became rich and powerful and his brother thought that he had sold out the Xenexian people to Danterian interests. D'ndai resented his brother, Mackenzie Calhoun, for several reasons, and in 2373 he plotted with Zoran Si Verdin, Ryjaan and Yoz to lay a trap to kill him. The plot failed and D'ndai apparently escaped. ("House of Cards" [Pocket NF #1]; "Into the Void" [Pocket NF #2]; "The Two-Front War" [Pocket NF #3]; "End Game" [Pocket NF #4]).

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