(covers information from several alternate timelines)
Wallace graduated Starfleet Academy at Beta Ursae Minor II. By 2371, he had been assigned to three starships in his career. These were the USS Baton Rouge on stardate 41987.6, the USS Seaquest on stardate 42983.6, and the USS Enterprise on stardate 43922.6. In 2370, he held the classification of specialist (grade 3) in life support systems.
Wallace had many achievements throughout his career. On stardate 45392.6, he was awarded the J. Bruce Award for bioengineering. On stardate 44083.6, he was awarded the Campbell Award for life sciences. On stardate 43147.6, he was awarded the Extended Tour Ribbon. He was promoted to the rank of lieutenant on stardate 42922.6. He had an average efficiency/coind rating of 8.7.
In the early 2360s, Wallace served at Utopia Planitia Shipyards in the Sol system. He was the team leader for primary hull forward life support control and emergency systems installation for the starship Enterprise-D. He was also assistant parts scheduler of the primary and secondary life support systems linkage system. (TNG: "Eye of the Beholder")
Crewman Wallace was present in the Enterprise's shuttlebay when Captain Jean-Luc Picard boarded the starship for the very first time in 2364, shortly before the mission to Deneb IV. (TNG: "All Good Things...")
Later that year, Wallace was on duty on the bridge around the time when the Enterprise was in orbit of Mordan IV. He passed Rear Admiral Mark Jameson who left the Observation lounge and later was on duty on the bridge when the Admiral died on the planet. (TNG: "Too Short a Season")
He roamed the corridors of the ship when the USS Enterprise-D was docked at Starbase 74, shortly before everyone had to abandon the ship because of a faked warp core breach simulated by the Bynars. A little later, he was seen in an office on Starbase 74, when it was discussed what to do about the hijacking of the Enterprise-D. (TNG: "11001001")
He passed the transporter room doors when Admiral Gregory Quinn and Lieutenant Commander Dexter Remmick beamed aboard the ship for the first time. A short time later, he was working on the warp core in main engineering while the Enterprise was still in orbit around Relva VII. Later, he was passing Captain Picard wearing his dress uniform in a corridor. (TNG: "Coming of Age")
Wallace was part of a security detachment sent to apprehend the Klingons Korris and Konmel, who had escaped from the brig. He picked up the type 2 phaser of a fellow security officer who had been killed by Korris. (TNG: "Heart of Glory")
Wallace was working together with Geordi La Forge and Wesley Crusher in main engineering, when the Enterprise-D was transporting sovereign-to-be Salia from Klavdia III to Daled IV. (TNG: "The Dauphin")
When the Enterprise-D was affected by an Iconian software transmission, which caused several malfunctions aboard the ship, Wallace helped Chief O'Brien keep the transporter working properly. (TNG: "Contagion")
He was walking along a corridor aboard the ship, carrying a PADD, and had a short chat with Ensign Bennett when the Enterprise-D was investigating the Selcundi Drema sector. A short while later, he passed a very nervous Wesley Crusher in front of the geology laboratory on deck 10 and gave him an encouraging nod. (TNG: "Pen Pals")
After the Enterprise-D encountered the Borg for the first time, Wallace manned the ops station while the bridge crew held a conference in the Observation Lounge. He continued manning the post when an away team beamed to the Borg cube and later manned an aft station on the bridge. (TNG: "Q Who")
When the Enterprise-D experienced troubles due to nanites in the Kavis Alpha sector, Wallace received minor injuries and was subsequently treated in sickbay by Diana Giddings. He had to lie down for a moment, though. (TNG: "Evolution")
He was promoted to ensign in early 2366. Shortly thereafter, he was doing some work on a PADD in a corridor when the ship had just discovered the Promellian battle cruiser Cleponji. (TNG: "Booby Trap")
He briefly switched to the command division in mid-2366 and manned the conn station when the Angosian prisoner Roga Danar escaped the brig aboard the Enterprise-D. Wallace then worked at an aft console of the bridge a short time later. (TNG: "The Hunted")
He was enjoying a drink with Ensigns Bennett and Youngblood in Ten Forward when Commander Riker met Data's daughter, Lal, for the first time. He was rather amused when Lal suddenly kissed Commander Riker. (TNG: "The Offspring")
He had a drink with a female operations officer and later played a game of three-dimensional chess against the computer in Ten Forward when the Enterprise-D took aboard Worf's brother Kurn. (TNG: "Sins of the Father")
Shortly after Tam Elbrun came aboard to help make first contact with Gomtuu, Wallace was seen walking along a corridor. (TNG: "Tin Man") Later on, Wallace was standing guard at the brig when Kivas Fajo was being held there. (TNG: "The Most Toys")
He was talking to a fellow crewmember in Ten Forward and later enjoyed a blue drink in the bar, chatting with a female crewmember shortly after the Zalkonian known as John Doe was able to leave sickbay for the first time. (TNG: "Transfigurations")
Later that year, Ensign Wallace again switched to the command division and assumed duty at the conn of the Enterprise-D when the ship, aided by the Cardassian Galor-class ship Trager, hunted the rogue starship USS Phoenix, commanded by Captain Benjamin Maxwell. (TNG: "The Wounded")
When a symposium of the Federation Archaeology Council was held on board the Enterprise-D in 2367 and Doctor Beverly Crusher gave the archaeologist Vash a tour of the ship, Wallace and a female crewmember walked past the Ten Forward doors. (TNG: "Qpid")
He was manning the ops station and later played a game of three-dimensional chess in Ten Forward when the Enterprise-D was in orbit of Peliar Zel II. (TNG: "The Host") Later, he was in attendance of a concert of classical music in Ten Forward, sitting at a table very close to the musicians – Data, Jenna D'Sora and Keiko O'Brien amongst them. (TNG: "In Theory")
Early in 2368, Wallace, in a grey civilian suit, sat down in Ten Forward for a drink along with a fellow crewmember from the sciences division, shortly after Ensign Ro Laren came aboard the Enterprise-D. (TNG: "Ensign Ro")
He was on duty in main engineering when the USS Enterprise-D was in orbit of Melona IV shortly after the whole planet had been ravaged by the Crystalline Entity. (TNG: "Silicon Avatar") He was also on duty in engineering when the crew was under the influence of the Ktarian game. He greeted Wesley Crusher in a corridor when the latter returned to the Enterprise-D during that time. A short time later, Wallace was also addicted to the game, walking through a corridor on deck 36 and grinning widely. (TNG: "The Game")
When Helena Rozhenko visited the ship later that year, she had a drink with her adopted son, Worf, in Ten Forward to discuss Alexander Rozhenko, whom she had brought aboard to live with Worf. At the same time, Darien Wallace, in civilian clothing, was also having a drink at the bar. (TNG: "New Ground")
Wallace was one of the Enterprise-D crewmembers who beamed down to Moab IV in order to help fortify the structure of the Genome colony on that planet so that it could withstand the effects of a stellar core fragment. (TNG: "The Masterpiece Society") Later, he was one of the crewmembers held captive in Ten Forward by Ux-Mal terrorists while the Enterprise-D was in orbit of Mab-Bu VI. He was sitting, in his casual grey suit, next to Diana Giddings and Keiko O'Brien, the latter of whom was holding Molly. After the first failed attempt to free the hostages, Wallace and two other Starfleet officers discussed their situation with Captain Picard and Lieutenant Worf. (TNG: "Power Play")
Later that year, Wallace worked with the crew of a Romulan science ship to repair the Romulan ship. As the Enterprise-D was experiencing troubles with its transporter system, Wallace, together with Data and another engineer, had to transfer to the Romulan vessel by means of a shuttle. Wallace later helped a Romulan carry a large piece of Federation equipment that had been provided by the Enterprise-D so the Romulan vessel could be made spaceworthy again. (TNG: "The Next Phase")
He passed Deanna Troi and Samuel Clemens in a corridor in early 2369. Both had just returned from 1893's San Francisco and Clemens was just telling the Counselor about his disappointment as there were no cigars stocked on the Enterprise-D. (TNG: "Time's Arrow, Part II")
Wallace worked in a transporter room when the Enterprise-D was in orbit of Bersallis III. He beamed aboard Doctor Crusher and the infirmary patients of the Bersallis colony which had to be evacuated due to massive firestorms. (TNG: "Lessons")
Later that year, Wallace was a member of the initial away team that searched for Data on a planet where Lore had taken command of an outpost of rogue Borg. When additional search teams were beamed down to the planet, Wallace and Towles manned the command post and stayed close to the El-Baz, the shuttlepod Data and the Borg had used to escape to the planet. (TNG: "Descent")
When Worf finally returned to the correct quantum reality after a bat'leth tournament on Forcas III and met Commander Riker in a corridor, he was passed by Darien Wallace, carrying a PADD. (TNG: "Parallels")
In 2370, Lieutenant Wallace's personal information was displayed on a viewscreen to Counselor Deanna Troi in a psychic phenomenon. A little later, when her hallucination was getting out of control and she was running through a corridor, to get to the nacelle control room in order to commit suicide, she passed Wallace and several other officers. (TNG: "Eye of the Beholder")
- Late 2350s to Early 2360s: Attends Starfleet Academy on Beta Ursae Minor II
- About 2363: Operations division, assigned to Utopia Planitia Fleet Yards in life support control
- 2364 to 2371: Assigned to the USS Enterprise (TNG: "All Good Things...")
- 2364: Assigned to engineering (TNG: "Datalore")
- 2365: Assigned to engineering (TNG: "Elementary, Dear Data")
- 2366: Promoted to ensign (TNG: "Booby Trap")
- 2367: assigned as flight controller (command division) (TNG: "The Wounded")
- 2369: assigned to security (TNG: "Descent")
- 2370: Promoted to lieutenant (TNG: "Eye of the Beholder")
In an alternate timeline created when the USS Enterprise-C traveled forward in time, Wallace served on the Enterprise-D. During a rescue effort, Wallace helped an Enterprise-C midshipman to a bed in sickbay after which he stood guard at the main entrance door to sickbay. (TNG: "Yesterday's Enterprise")
In an alternate quantum reality that Worf was passing through in 2370, Wallace walked past the Klingon and Commander William T. Riker who were having a chat in a corridor. Worf was dreading a surprise party, but Riker assured him, no party was planned, a lie, as Worf soon realized. (TNG: "Parallels")
|Operations officers of the starships Enterprise|
|USS Enterprise-D:||Crusher • Data • Giusti • Gleason • Lavelle • Lopez • Mandel • Sito • T'Su • Wallace • Worf • Unnamed|
|USS Enterprise-E:||Armstrong • Data • Perim • Unnamed|
- "Too Short a Season"
- "Angel One"
- "When The Bough Breaks"
- "Coming of Age"
- "Heart of Glory"
- "Skin of Evil"
- "We'll Always Have Paris"
- "The Neutral Zone"
- "The Child"
- "Where Silence Has Lease"
- "Elementary, Dear Data"
- "The Outrageous Okona"
- "The Schizoid Man"
- "Loud As A Whisper"
- "A Matter Of Honor"
- "The Dauphin"
- "Time Squared"
- "The Icarus Factor"
- "Pen Pals"
- "Q Who"
- "Peak Performance"
- "Booby Trap"
- "The Vengeance Factor"
- "The Hunted"
- "Deja Q"
- "Yesterday's Enterprise"
- "The Offspring"
- "Sins of the Father"
- "Tin Man"
- "The Most Toys"
- "Ménage à Troi"
- "The Best of Both Worlds, Part II"
- "The Loss"
- "Data's Day"
- "The Wounded"
- "Galaxy's Child"
- "Identity Crisis"
- "The Nth Degree"
- "The Drumhead"
- "Half a Life"
- "The Host"
- "The Mind's Eye"
- "In Theory"
- "Ensign Ro"
- "Silicon Avatar"
- "The Game"
- "New Ground"
- "The Masterpiece Society"
- "Power Play"
- "The Next Phase"
- "Time's Arrow, Part II"
- "Eye of the Beholder"
- "All Good Things..."
- Star Trek Generations
Wallace was seen wearing a red command division uniform three times, in the scenes set in 2364 from "All Good Things...", in "The Hunted", and "The Wounded". In all other appearances, he wore operations/security yellow or was seen in civilian garb.
After the end of the series, the red spandex uniform worn by Wallace in "All Good Things..." was cut into pieces and included as part of a Trading Card set. Vardaman was provided with the tag on the collar, all that remained of the costume.
Wallace was named after script typist Jana Wallace, who worked on TNG, DS9 and VOY. His home planet of Altair IV was suggested by Mike Okuda and Guy Vardaman and is a reference to Forbidden Planet, a favorite of both Okuda's and Vardaman's. His last name was first used in "Descent", and his first name was legible on screen in "Eye of the Beholder". His name was written "Darian Wallace" in the Star Trek Encyclopedia and the CCG but is clearly listed as "Darien Wallace" in his personnel file in "Eye of the Beholder".
The personnel file seen by Counselor Troi appeared during a dream sequence; this might explain some inaccuracies in the stardates.
According to his card in the Star Trek Customizable Card Game, "Ensign Darian Wallace is representative of Starfleet security officers" and "held numerous positions aboard the USS Enterprise." His specialty is anthropology and he has a ranking of 7 in integrity, 5 in cunning and 6 in strength. 
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