USS Enterprise (NCC-1701-D)

The USS Enterprise (NCC-1701-D) was a Federation starship operated by Starfleet, and the fifth Federation vessel to bear the name. The Enterprise served from 2363 to 2371 as the Federation flagship, under the command of Captain Jean-Luc Picard. Following the ship's destruction at Veridian III, it was rebuilt as a museum ship, and was briefly brought back into service to counter a Borg threat in 2401.
== History==
===Construction and launch===
The Enterprise was built at Utopia Planitia Fleet Yards orbiting Mars in the Sol system. The construction was a massive undertaking, involving thousands of people across disciplines. () Construction was supervised by Commander Quinteros. () Dr. Leah Brahms was responsible for much of the Enterprises warp propulsion system design. () Some of the Enterprises components were derived from technology originally developed on the . () In an alternate timeline, the Enterprise was the first Galaxy-class warship constructed. ()
One of the ship's nacelle tubes was the site of a multiple murder-suicide while it was still under construction at Utopia Planitia. A member of the construction team, Walter Pierce, became jealous of a former lover's new relationship. He killed the two officers, Marla Finn and William Hodges, then disposed of their bodies in the plasma stream. Pierce committed suicide in the same manner, leaving a telepathic imprint in a bulkhead that was not discovered until 2370. ()
On stardate 40759.5, in the year 2363, the Enterprise was launched from Mars. (Enterprise-D dedication plaque, second version) On stardate 41025.5, the Enterprise was commissioned. (Enterprise-D dedication plaque, first version)
Final systems completion and shakedown was conducted at Earth Station McKinley. Captain Jean-Luc Picard took command of the ship on stardate 41148 at the order of Rear Admiral Norah Satie. ()
===Picard's eight-year mission===
The Enterprise-D made first official contact with a number of species (see below).
While fleeing from the entity known as Q; the Enterprise conducted the first high-warp (warp 9.6) saucer separation. () The Traveler used the energy of his thoughts to move the Enterprise to a galaxy known as M-33 at a speed greater than warp 10. A subsequent use of the warp drive by the Traveler propelled the Enterprise to the end of the universe at a speed that, according to the ship's instruments, never exceeded warp 1.5. ()
The Enterprise received a computer refit in 2364. ()
Later in 2364, the Enterprise was hijacked from Starbase 74 by the Bynars. They intended to use the ship to repair the damaged computer on their homeworld. The Enterprise was returned to Captain Picard's control following the incident, and the Bynars freely accepted the consequences of their actions. ()
During its first encounter with the Borg, Sections 27, 28, and 29 on Decks 4, 5, and 6 were removed for analysis by the Borg. Eighteen people were killed. ()
In 2366, the Enterprise had traveled about ten thousand light years. ()
During the Borg incursion of 2366 and 2367, the Enterprise suffered heavy damage. Deck 36, including main engineering, was decompressed after a cutting beam damaged the engineering hull, killing at least eleven, and possibly eight more. ()
The main deflector dish was transformed into a last-ditch energy weapon, which failed due to the assimilated knowledge of Captain Picard. In the attempt, the deflector and warp core were overloaded, while several decks were flooded with radiation.
Later, the saucer module sustained damage to its impulse drive and Decks 23 through 25 were sliced open by the enemy during the final battle over Earth. () The extent of the damage required a full refit at Earth Station McKinley, which lasted five to six weeks. ()
During that refit, the starship received a phaser upgrade as well as full damage repair and a new dilithium chamber hatch. The hatch malfunctioned later that year, causing extensive damage to the warp core. Although Romulan sabotage was initially suspected, it was later learned that undetected flaws in the hatch were responsible. ()
The Enterprise was the command ship in Captain Picard's ad hoc armada which blockaded Romulan assistance to the House of Duras during the Klingon Civil War. It coordinated a tachyon detection grid which was used to detect cloaked Romulan ships from crossing the border. ()
The ship struck a quantum filament in early 2368, causing a loss of all power aboard ship and severe damage to most systems. Antimatter containment was nearly compromised; fortunately, repairs were made before the ship was destroyed. ()
Also in 2368, the Enterprise was trapped in a temporal causality loop near the Typhon Expanse. Each cycle ended in a catastrophic collision with the , destroying both ships. Feelings of déjà vu allowed the Enterprise crew to gather clues which allowed them to send a message into the next loop and avoid the collision. The ship spent a total of 17.4 days repeating the same interval of time. ()
On a mission to Ligos VII, the Enterprise was attacked by two Klingon Bird-of-Prey starships under the command of the Ferengi DaiMon Lurin. The surprise attack allowed Lurin and his men to successfully hijack the Enterprise. Forcing its crew to transport to the surface of Ligos VII for slave labor, Lurin had planned to sell the Enterprise to the Romulans, however, his plans were thwarted by a group of crewmembers who had temporarily been transformed into children due to a transporter malfunction. ()
The Enterprise was one of the first Starfleet vessels to dock at the newly-commissioned Deep Space 9, where it offloaded most of the station's Starfleet contingent, and its first complement of runabouts. The Enterprise departed the station and heading to the Lapolis system. () Several weeks later, the Enterprise returned to Deep Space 9 to help repair the Bajoran aqueduct systems that had been damaged during the Cardassian Occupation of Bajor. ()
The Enterprise underwent its first baryon sweep at the Remmler Array in 2369. A stronger field was needed due to the Enterprises heavy use of warp drive. During the sweep, a mercenary group nearly stole dangerous trilithium resin from the warp core, but was thwarted by the Enterprise senior staff. ()
One of the most important discoveries in the history of the Federation was made aboard the Enterprise-D. Its crew pieced together Dr. 's final research to a message from the ancient humanoids, the first humanoid species in the Milky Way Galaxy. ()
Late in 2369, the Enterprise was damaged while rescuing the crew of a Romulan warbird, whose artificial quantum singularity warp core had been colonized by lifeforms which mistook it for a genuine quantum singularity, causing severe disruptions in space-time.
The Enterprise was destroyed due to feedback from a power transfer beam, which was killing the lifeforms' young. Fortunately, four Enterprise crewmembers were returning to the ship at the time and were able to avert the Enterprises destruction and save the Romulan crew. ()
A new warp core was tested aboard the Enterprise in early 2370. The core was installed at Starbase 84; several points of the power transfer conduits were replaced as well.
The core and the conduits had been manufactured on Thanatos VII using interphase technology, attracting interphasic organisms which attached themselves to the crew and began to digest their cellular structures. An interphasic pulse was successful in destroying the creatures. ()
Also during 2370, Commander La Forge engaged in a friendly contest with Donald Kaplan, chief engineer of the . They competed to have the best power conversion rates in the fleet, with the Enterprise frequently beating out the Intrepid. ()
The Enterprise became one of the few Federation ships to use a cloaking device in 2370, and perhaps the first to successfully use a phasing cloak. It had been retrieved from the wreckage of the and was installed aboard the Enterprise to allow it to pass through an asteroid after a Romulan vessel sealed the ship inside. ()
While investigating a rogue comet in 2370, the Enterprise stumbled upon an archive of the lost D'Arsay civilization. The archive trapped the ship and used matter and DNA aboard to create artifacts from the D'Arsay culture. The Enterprise was later returned to normal. ()
Lieutenant Worf supervised an upgrade of the Enterprises weapons systems in late 2370. The tests were interrupted after the ship was ravaged by Barclay's Protomorphosis Syndrome. ()
At some unspecified point in 2370, the Enterprise-D docked at Deep Space 9, where some of the crew went on shore leave, and Lieutenant Jadzia Dax staked Commander Riker three strips of gold-pressed latinum when Riker's winning-streak ran dry at Quark's. Riker would later contact Quark and trade his unclaimed winnings for information on the Duras sisters. (; )
The Enterprise temporarily became sentient in 2370 when an emergent lifeform used the ship's systems to reproduce. ()
When Miles O'Brien, one of the ship's former transporter chiefs, was captured by the Cardassians in late 2370, the Enterprise along with Prokofiev, and Valdemar were sent to patrol the Demilitarized Zone as a warning to the Cardassian government. ()
In early 2371, the Enterprise received a number of refits to its internal spaces. Color and lighting schemes were slightly altered, and the bridge inherited a number of new consoles on the port and starboard sides. There were now four science stations, three along the starboard wall and one at the starboard side of the aft stations. Mission Ops was now the second station, followed by environmental control. Two engineering stations rounded out the aft area, while three communications stations were present along the port wall.
In addition, the main floor (where the captain's, executive officer's, and guest's chairs were) was slightly raised, and a chair was placed at the tactical station for the chief of security to sit while manning that console.
Later that year, the Enterprise picked up a distress call from the observatory in the Amargosa system. An away team led by Commander Riker found that the station had been attacked by Romulans, they also found an injured Doctor Tolian Soran buried among the wreckage. After analyzing the Romulan tricorder, they discovered the Romulans were looking for trilithium. Back on the station, Data and La Forge discovered a secret lab filled with solar probes when they are attacked by Soran. Soran then launched a solar probe that destroyed the Amargosa star, producing a level-12 shock wave, after rescuing Data, the Enterprise left the system as the observatory was destroyed.
After talking with Guinan about Soran and the Nexus, Picard met with Data in , where they discovered that Soran was altering the course of the energy ribbon. Picard determined Soran was heading for the Veridian system and ordered Worf to set course at maximum warp. The Enterprise arrived at Veridian III and intercepted a renegade Klingon Bird-of-Prey commanded by the Duras sisters. The Klingons agreed to a "prisoner exchange" for La Forge, taking Picard in his place and allowing him to beam to Soran's location somewhere on the planet's surface. ()
===Destruction===
However, an subsequent engagement with the Bird-of-Prey resulted in extensive damage to the Enterprise. The ship's magnetic interlocks were ruptured, and before efforts could be made to repair them, a coolant leak began, leading to an unavoidable warp core breach.
Faced with this scenario, Commander Riker ordered the evacuation of the crew from the secondary hull to the saucer section. Once the evacuation had been completed, the saucer could separate and get to a safe distance before the stardrive section was destroyed by the core breach. La Forge and Dr. Crusher oversaw the evacuations of their respective departments and completed it with a minute to spare. The saucer's impulse engines were engaged as soon as it cleared the secondary hull, but the saucer was unable to get to a safe distance before the core breached. The explosion produced a ion shock wave that disabled the entire saucer section and propelled it into a degrading orbit of Veridian III, forcing the saucer section into the planet's atmosphere.
With the saucer hurtling towards the surface of the planet, Data managed to reroute the auxiliary systems to the lateral thrusters and thereby restore thruster control to level out their descent. Moments later, the saucer crash-landed into a jungle on the planet's surface, flattening many trees as it came to rest. Owing to the relatively safe landing, casualties on the Enterprise were minimal. Unfortunately, the severe damage sustained by the primary hull in the battle and subsequent crash landing apparently rendered the ship unsalvageable. The ship's crew was rescued by three Starfleet vessels, including the , an ship, and a ship. ()
===Reconstruction===
Due to Prime Directive concerns, the crashed saucer section was recovered and transported to the Fleet Museum. Upon taking stewardship of the Museum, Commodore Geordi La Forge spent twenty years restoring the ship to its original condition in Hangar Bay 12, forgoing her last refits from 2371, and using parts from the to rebuild the secondary hull. He also repaired the extensive damage to the saucer section from the crash, with only cosmetic damage to the outer hull remaining. By Frontier Day in 2401, the Enterprise-D was an operational starship once again, aside from some lingering issues that La Forge had yet to address. ( commemorative plaque; )
File:USS Enterprise-D hologram, 2399.jpg|Holographic display at Starfleet Headquarters (2399)
File:USS Enterprise-D, commemorative plaque.jpg|Depicted at Starfleet Academy (2401)
===Emergency return to action===
In 2401, when Picard came to the Fleet Museum in search of Geordi La Forge's help with rescuing an away team from Daystrom Station, La Forge's daughter Alandra discreetly suggested using the Enterprise for the mission, but he instantly shot the idea down. Instead, Picard's son Jack Crusher and La Forge's other daughter Sidney stole the cloaking device from the . ()
On Frontier Day, La Forge revealed the Enterprise to the rest of its old command crew when they needed a ship not linked to the Starfleet mainframe, which had been used by the Borg to take over the Federation fleet. The ship was functional, barring some lingering issues. With the ship's computer identifying him as Captain Picard due to the long-outdated crew manifest, Picard jokingly accepted a field demotion to command the Enterprise again. ()
Picking up a distress call from President Anton Chekov, it was quickly determined that the Enterprise was the only help that was coming for Earth. Deducing that the Borg had to be close, the Enterprise located a Borg cube hiding in Jupiter's Great Red Spot broadcasting the Borg Collective's command signal - Jack Crusher. Data quickly determined the cube to only be 36% operational as most of its resources were being used to broadcast the signal. After detecting the Enterprise, the cube lowered its shields and redirected its weapons in an invitation. Deducing that there was a beacon transmitting the signal across the solar system, Picard, Riker and Worf beamed aboard to find Jack and the coordinates for the beacon so that the Enterprise could target it while La Forge, Doctor Crusher, Counselor Troi and Data remained on the ship to help guide them.
As Riker and Worf located the beacon, the cube opened fire on the Enterprise, but Crusher, displaying the accumulated skill of the past twenty years, was able to manually target the ship's weapons to take out the cube's defensive turrets. The information recovered by the away team revealed the beacon to be at the very heart of the cube, a location statistically impossible for even the best computer or pilot to reach. 
However, at Data's insistence, La Forge allowed him to fly the Enterprise through the cube's superstructure, with Crusher firing at any targets of opportunity that emerged along the ship's flight path. The ship eventually reached the beacon, which was discovered to be interfaced into the very substructure of the ship; its destruction would trigger a cataclysmic chain reaction that would destroy the Borg cube, and everyone on it. 
The Enterprise hit the beacon with multiple phaser blasts and photon torpedos, destroying it and causing the cube to be consumed by a series of explosions. After Troi telepathically sensed her husband's farewell, she was able to fly the Enterprise over the away team's position and beam them out just in time. The Borg cube was destroyed, ending the Borg threat forever and breaking the Borg's control over Starfleet. As everyone celebrated, Picard welcomed his son to the Enterprise. ()
===Final retirement===
After the battle at Jupiter, the Enterprise was returned to the Fleet Museum and her restoration continued (along with repairs). By 2402 the work was completed and she was put on display in a place of honor between the and the . Picard, La Forge and Riker reminisced on her bridge about the old ship, the number of times that she had managed to save the world and how it was difficult to imagine what they might've been without her. La Forge ordered the computer to initiate the shutdown procedure and promised to take good care of the Enterprise as "after all, she's always taken good care of us."
Soon afterwards, the was rechristened the in honor of the Enterprise-D and the heroic actions of her command crew. ()
==Legacy==
Commander Riker was upset over the loss of the Enterprise. Having hoped he would one day command the ship, he was disappointed that he never got that opportunity. However, Picard expressed doubt that the Enterprise-D would be the last vessel to carry the name. ()
The Enterprise was so dear to Worf that, shortly after being reassigned to Deep Space 9 in 2372, he briefly considered resigning from Starfleet. Station commander Captain Benjamin Sisko expressed regret on the loss of the Enterprise and offered his condolences over the destruction of the ship to Worf, saying the Enterprise "was a good ship." ()
Captain Picard's belief that the Enterprise-D would not be the final ship to bear the name was borne out with the christening of the in 2372. In that instance, the legacy of the Enterprise continued with Picard reprising his role as CO and selecting most of the former crew from the Enterprise-D, with the notable exception of Worf due to his recent assignment to DS9. 
A gold model of the Enterprise-D was kept in a display case in the observation lounge of the Enterprise-E. Picard later destroyed it with a phaser rifle in a fit of rage while discussing the Borg assimilation of the Enterprise-E with Lily Sloane. It was the image of the broken Enterprise-D model that helped convince Picard to set the auto-destruct sequence and abandon ship rather than be destroyed by his need for revenge against the Borg. ()
Following a mission on Karzill IV in 2381, Riker commented to Lieutenant Brad Boimler on how much he missed the exploration and scientific exploits of the Enterprise-D compared to the "non-stop fighting" he experienced as captain of the . He advised Boimler to enjoy his reassignment to the similarly to his time on the Enterprise. ()
The reputation of the Enterprise-D also extended outside of the Federation; in 2381, Klingon captain Ma'ah remarked that he had heard tales of the Enterprise and its triumphs. () On Ornara, the Enterprise-D was remembered for its role in breaking the Ornarans' dependence on felicium. The ship was depicted in a mural commemorating the population's transition from addiction, to withdrawal, to a society emphasizing physical fitness. However, when the made second contact with the race, they had neither the need nor the desire for further dealings with the Federation. Although the Cerritos similarly tried to make second contact with Brekkians, the race was being invaded and apparently exterminated by the Breen. ()
In 2383, showed the young crew of the an image of the Enterprise-D while explaining the history of the Federation and Starfleet to them. ()
The Enterprise-D served as the setting for a late-24th century version of the among the Protostars training programs. In 2383, Dal R'El attempted the scenario numerous times before learning its lesson. ()
In 2384, after meeting Wesley Crusher, Rok-Tahk recognized him as the genius of the Enterprise-D amongst Wesley's other accomplishments. While telling his story to the Protostar crew, Wesley tells them that it starts with him meeting the Traveler during Wesley's time on the Enterprise-D. ()
A small white model of the Enterprise-D was hanging from the celling in Wesley's secret storage space in the Travelers' time ziggurat. ()
In 2399, Picard, sleeping at Château Picard in France, had a dream that he was in Ten Forward with Data on the Enterprise-D, playing a game of poker. Nearing the end of the game, he stalled Data as best he could because he did not want the game to be over. They were seated at a table directly next to a window, which allowed Picard to notice Mars outside. He didn't realize that the Enterprise was on course for Mars, so this surprised him. He then watched as the entire planet exploded, engulfing the Enterprise as well, causing Picard to awaken from his dream. ()
Later that same year, a hologram of the Enterprise was displayed in the atrium of the CNC's office at Starfleet Headquarters. ()
By 2401, the Enterprise-D was depicted on a commemorative plaque alongside other historic ships at Starfleet Academy. ()
Later that year, in preparation for Frontier Day, Guinan began selling models of the various starship Enterprise's, including the Enterprise-D at 10 Forward Avenue. However, much to Riker's chagrin, the Enterprise-D models proved to be unpopular, being seen as "the fat one". ()
While recalling all of the offenses and near-disasters that Picard and Riker had caused, Liam Shaw mentioned them crashing the Enterprise's saucer section on Veridian III and nearly wiping out all of Humanity with a time paradox in the Devron system. Picard fondly remarked to Riker that "Those were the days." ()
==List of First contacts ==
In most cases, the date indicated is the first time open communication was initiated with at least one member of the species. Otherwise, it is the first known contact with the species. 
*2364
**The Aldeans ()
**Armus ()
** The Beta Renner cloud ()
**The Crystalline Entity ()
**The Edo ()
**The Farpoint Station entities ()
**The Ferengi ()
**Microbrain ()
**The parasitic beings ()
**The Q Continuum ()
*2365
**The Borg ()
**Nagilum ()
**Ian Andrew Troi, Jr. ()
*2366
**The nanite civilization ()
**The Douwd ()
**The Mintakans ()
**Gomtuu ()
** energy being ()
** The Zalkonians ()
*2367
**The Cytherians ()
**The Malcorians ()
**The Enterprise-D also encountered the Paxans in 2367, but all recollection of that encounter was erased from the memories of the entire crew except for Data as well as from the ship's logs. ()
*2368
**The Tamarians ()
***First successful establishment of two-way communication. Actual first contact had occurred at least one century earlier.
**FGC 47 lifeforms ()
**Criminals from Ux-Mal composed of anionic energy ()
*2369 
**The exocomps ()
** The quantum singularity lifeforms ()
**The Solanogen-based lifeforms ()
*2370
**The Boraalans ()
**Emergent lifeform ()
==Technical data==
===Physical arrangement===
With a total of 42 decks, the USS Enterprise-D was twice the length and had eight times the interior space of the ships of over a century earlier () it carried a combined crew and passenger load of 1,014. ()
The bridge, captain's ready room, and conference lounge were on Deck 1, and were protected by redundant safety interlocks to prevent environmental systems failure. ()
The main shuttlebay was on Deck 4, supported by several cargo bays on Deck 4 and Deck 18. () Two additional shuttlebays were found on Deck 13. () 
Deck 8 of the ship was an unfinished multipurpose deck. Additional workspaces were set there when needed. () It also contained the officers' quarters, some guest quarters, and the battle bridge. ()
Deck 12 contained sickbay and the gymnasium, () while main engineering was located on Deck 36. () Engineering took up twelve decks of the secondary hull, with the antimatter storage pods housed on Deck 42. () There was a science section on deck 15. ()
The primary docking ports were located on either side of the torpedo launcher on Deck 25; () the nacelle control room was also on that deck. () According to Lieutenant Commander Nella Daren, the most acoustically perfect spot on the ship was the fourth intersect of Jefferies tube 25. The intersection formed a resonance chamber for the sound compression waves. ()
The Enterprise had a maximum sustainable speed of warp 9.6 for twelve hours. () 
The warp core could generate a tremendous amount of energy at once if needed; the only device on the ship capable of channeling such energy all at once, at controlled frequencies, was the main deflector dish. () There were some four thousand power systems in all on board the ship. It also had twenty transporter rooms, with at least one on deck 6. ()
===Weaponry===
The armaments of the Enterprise-D included twelve phaser arrays, two torpedo launchers, a supply of 250 photon torpedoes, and hundreds of antimatter mines. The ship was protected by a high-capacity shield grid that could operate on multiple frequencies. When the ship was destroyed in 2371, the shield frequency was at 257.4 MHz. (; )
While on the rebuilt Enterprise in 2401, then-Captain Worf noted how he preferred the weaponry aboard its successor ship. ()
===Operations===
The bulk of the people on board the Enterprise could be evacuated within four minutes. This was executed at Starbase 74 during 2364. ()
During emergency situations, certain large but protected areas of the ship were designated emergency shelters, including Ten Forward. Collectively, they could hold all the ship's crew and were designed so that the crew could reach one of the areas quickly. In 2367, while caught in a Tyken's Rift, the crew were ordered to these areas in order to get extra power from in non-shelter areas. ()
===Shipboard life===
In 2367, an average day aboard ship recorded by Lieutenant Commander Data included four birthdays, two personnel transfers, two chess tournaments, a secondary school play, four promotions, and at least one birth. ()
The Enterprise normally ran on three duty shifts. () Increasing to four duty shifts caused many personnel scheduling problems, as observed when Captain Jellico ordered a change during his tenure in 2369. ()
Crewmembers of ensign rank were required to share crew quarters but were allowed their own quarters upon promotion to lieutenant junior grade. () Families often shared quarters. ()
The Enterprise had five day care centers and at least seven classrooms. (, )
Ten Forward, located at the extreme forward of Deck 10 in the saucer section, was the center of the ship's social activity; nearly everyone on board passed through the lounge at one time or another. () Holodecks located on Deck 10 and Deck 12 also provided entertainment for the crew. ()
===Ship's directory=== 
:This contains USS Enterprise-D specific information; for more general information, see Galaxy-class decks.
*Deck 2
**Room 2713: Lieutenant Worf's quarters, 2370 ()
**Room 3653: Lieutenant Commander Data's quarters, 2370 ()
*Deck 7
**Section 19, Room 1947: Lieutenant Edward Hagler's quarters ()
**Section 25 Baker, Room: Lieutenant Worf's quarters, 2369 ()
*Deck 8 
**Room 0910: Commander Deanna Troi's quarters, 2368-2370 ()
**Room 0912: Commander William T. Riker's quarters ()
** Room 2133: Commander Beverly Crusher's quarters, 2370 ()
**Room 3402: Counselor Deanna Troi's office ()
**Section 4, Room 4711: Lieutenant Ro Laren's quarters, 2370 ()
**Marla Aster and Jeremy Aster's quarters, 2366 ()
*Deck 9 
**Room 0910: Counselor Deanna Troi's quarters, 2366 ()
**Room 0929: Ensign Maddy Calloway's quarters ()
**Room 3601: Captain Jean-Luc Picard's quarters ()
**Section 28: Commander Beverly Crusher's quarters, 2368 ()
== Crew==
As of 2366, some thirteen species were represented among the 1,014 members of the ship's complement, at that time including Betazoid, Klingon, El-Aurian, Vulcan, and Human. () Over the course of its mission, crew species included Bolian, Benzite, Bajoran, Napean, and an android. When Lal was considering an Andorian form, Troi told her that she would be alone, meaning there were no Andorians or at least no Andorian females on the ship then. ()
As of 2369, there were seventeen crew members from non-Federation worlds. () The ship also carried dolphins. ()
Beverly Crusher said there were supposed to be at least four people on duty in sickbay at all times. ()
Although Starfleet crewmembers staffed the vital positions on board the Enterprise, civilian crewmembers were allowed to hold important jobs in the ship's science and medical departments, as well as support areas like Ten Forward and the ship's school or the arboretum. () The Enterprise included children among the civilians on board, a concept which was not initially embraced by Captain Picard. ()
Crew evaluations were conducted every three months, and were usually supervised by Executive Officer William Riker and Counselor Deanna Troi. ()
===Commanding officers===
Although Captain Jean-Luc Picard commanded the Enterprise for most of the starship's life, his first officer, William Riker, was field promoted to captain in 2367 following Picard's capture by the Borg and assimilation as Locutus. () In early 2369, the Enterprise was briefly commanded by Captain Edward Jellico, as Captain Picard was assigned to a covert mission on the Cardassian planet of Celtris III. ()
===Command crew===
*Commanding officer (CO)
**Jean-Luc Picard (2363–2371, 2401)
**William T. Riker (2367)
**Edward Jellico (2369)
**Beverly Crusher (2370, temporary)
**Geordi La Forge (2401, temporary)
*First officer / executive officer (XO) 
**William T. Riker (2364–2371)
**Kurn (2366) (temporary)
**Elizabeth Shelby (2367)
**Data (2369) (temporary)
*Second officer / Operations officer
**Data (2364–2371)
*Operations officer
**Daystrom Android M-5-10 (2401)
*Chief engineer
**MacDougal (2364)
**Argyle (2364)
** (2364)
**Leland T. Lynch (2364)
**Geordi La Forge (2365–2371, 2401)
*Security Chief 
**Natasha Yar (2364)
**Worf (2364 – 2371)
*Tactical officer
**Natasha Yar (2364)
**Worf (2364 – 2371, 2401)
** (2365)
**Taitt (2370)
**Beverly Crusher (2401)
*Chief medical officer (CMO)
**Beverly Crusher (2364, 2366)
**Katherine Pulaski (2365)
*Counselor
**Deanna Troi (2364–2371)
*Flight control officer (conn)
**Geordi La Forge (2364)
**Worf (2364)
**Miles O'Brien (2364)
**Wesley Crusher (2364–2367)
**Ro Laren (2368–2369, 2370)
** (2367)
**Sariel Rager (2367–2369)
**Gates (2368–2370)
**McKnight (2367–2369)
**Sam Lavelle (2370)
**Jae (2371)
**Deanna Troi (2371, 2401) (temporary)
**Daystrom Android M-5-10 (2401)
*Science officer
** (2364)
**Data (2364–2371)
**Taitt (2370)
*Transporter chief
**Miles O'Brien (2365–2369)
**Maggie Hubbell (2367–2369)
==Alternate Enterprises==
Numerous alternate timeline, alternate reality, and illusory versions of the Enterprise have been encountered.
===Encounter with an energy vortex===
One alternate version of the Enterprise was observed in 2365. A ship from several hours in the future was destroyed following an encounter with an energy vortex, which was later determined to be a sentient presence. There was a single survivor, Captain Picard, who was thrown back in time and picked up by the Enterprise. The "present" Picard was able to determine that the Enterprise needed to fly through the anomaly rather than attempt to escape it via the entrance, and the timeline was averted. ()
===Encounter with the Enterprise-C===
In another alternate timeline, following the disappearance of the , and the destruction of the Klingon outpost at Narendra III, relations between the Federation and the Klingon Empire deteriorated into war.
The Enterprise-D in this alternate timeline was the first of the Galaxy-class warships constructed by the Federation, capable of carrying over 6,000 troops. The vessel was entirely militarized, with no civilians or counselor. The bridge contained multiple redundant consoles, computer panels along the side walls, and a single command chair for the captain. The observation lounge was a war room instead, with the table at waist height so that the crew stood. Replicators throughout the ship were restricted to minimal power, lighting was generally darker, and all available power was routed to the defensive systems. In addition to crew performing their normal duties, there were additional security officers standing at attention at all times. 
In 2366, on combat date 43625.2, the Enterprise-D investigated a radiation anomaly near Starbase 105, where it encountered the Enterprise-C, transported through time by an anomaly called a temporal rift. As the Enterprise-D assisted in repairs, it was made clear that the Enterprise-C had to return through the rift, in order to prevent the chain of events that would lead to war. Enterprise-D's El-Aurian bartender Guinan was aware of the change to the timeline, and convinced Captain Picard to send the Enterprise-C back through the rift.
As three Klingon battle cruisers attacked, the Enterprise-D laid down cover fire in order for the Enterprise-C to return through the rift. Heavy casualties were suffered, and the vessel was on the verge of a warp core breach when the timeline was restored. However, the Enterprise-C crew retained memories of their encounter, and one Enterprise-D crewmember, Tasha Yar, went back in time with the Enterprise-C. ()
===Crusher's static warp bubble===
In 2367, the thoughts of Dr. Beverly Crusher after she was trapped in a warp bubble created a completely separate universe, in which people and objects began disappearing. At various points, the crew of the Enterprise was reduced to a normal operating contingent of about three hundred, then one hundred, then simply two. All crew eventually disappeared, as the bubble began to collapse and the universe destroyed. This Enterprise was gradually erased from existence as the bubble collapsed. ()
===Barash’s simulation – Captain Riker===
In 2367, while exploring a cavern on Alpha Onias III, Commander William Riker was rendered unconscious by gases. While unconscious, neural scanners scanned Commander Riker's brain. The scanners used elements of Riker's reality and constructed a simulation with those elements interspersed throughout so that it felt real to him. What Riker wanted, the scanners made possible.
In the first simulation, set in 2383, Riker was the captain of the Enterprise and was in the final stages of securing a peace treaty with the Romulans.
In 2374, on stardate 51253, after serving for many years as the captain of the , Riker succeeded Picard as the captain of the Enterprise. The ship's first assignment under his command was a deep space exploration mission. Under his command, the ship surveyed the space beyond the Sargon Region, was a participant in the joint Excalbian Campaign, and captured a Romulan warship. These events were mentioned in his service record that was on display in his quarters on the Enterprise-D.
A few years before 2383, a Romulan battle cruiser had drifted into Federation space. The ship's warp coils had collapsed and was failing. The Enterprise rescued the crew. Riker was the key spokesman in securing an alliance with the Romulans, who were impressed with his efforts at saving one of their ships. In the sixteen years between 2367 and 2383, the Enterprise saved all the colonists in the Fornax Disaster.
Riker was a widower with a son, Jean-Luc. His wife had been the ship's counselor after Troi had accepted a position at Starfleet Command. His wife died in 2381 in a shuttlecraft accident.
In 2383, Data served as the first officer while La Forge was using cloned eye implants instead of his VISOR. There were Klingons and Ferengi serving aboard the Enterprise. The interior of the ship was also slightly altered and the bridge had several more science stations. The Enterprise had been assigned an escort mission for the Romulan ambassador Tomalak, whereupon he would be delivered to the final session for a peace treaty between the Federation and the Romulans. At this session, Riker would be a signatory to the treaty.
However, a number of flaws convinced Riker that what he was experiencing was a charade and he challenged the program. This resulted in a new simulation where Riker was a prisoner of the Romulans. ( okudagram)
===Quantum fissure encounter===
Several thousand Enterprises from many different quantum realities were encountered – later spilling into a single universe – in early 2370, as a result of Lieutenant Worf's encounter with a quantum fissure.
Worf observed numerous realities, with variations in personnel and positions widespread. In one quantum reality, Captain Picard was lost in the Borg encounter in 2367 and Riker was captain of the Enterprise, Wesley Crusher was still (or again) part of the crew, having risen to the rank of full lieutenant with the positions of security chief and tactical officer. In at least one reality, Alyssa Ogawa, who was a long-time nurse in the primary reality, was a full doctor and the chief medical officer with the rank of commander. In that reality, La Forge was killed in an attack by the Cardassians.
On occasion, races that were adversarial to the Federation of the original universe, such as the Cardassians, were part of the crew. Specifically, a Cardassian ensign served as the Enterprise-D's conn officer. Conversely, in the same quantum reality, the Bajorans were a hostile faction, having overthrown the Cardassian Union prior to 2370. They became increasingly aggressive towards the Federation. A Bajoran ship destroyed the Argus Array on Stardate 47391.2 as they thought that Starfleet was using it to spy on them. In the same reality, La Forge had likewise been killed shortly beforehand, though the cause of his death was not stated.
In a reality where the Borg had emerged victorious after the Battle of Wolf 359 and successfully conquered the Federation, the Enterprise was one of the few remaining Starfleet vessels by 2370. Riker was in command of that ship as well and was desperate not to return to his universe once all of the Enterprises began spilling into a single universe. After attempting to get the attention of the present-reality Enterprise by firing lightly upon them, the heavily damaged ship was destroyed by Captain Riker with the alternate Riker on board to prevent further damage to his ship.
The fissure was eventually sealed and the remaining ships were returned to their proper universes. When Worf returned to his normal universe, time was reversed and these events no longer occurred. ()
===Anti-time eruption===
Several alternate versions of the Enterprise-D were seen by Captain Picard after encountering an anti-time eruption in the Devron system. All were part of separate closed timelines.
In the anti-time past of 2363 and 2364, the Enterprise was not sent to Farpoint Station, but instead was diverted to investigate the anomaly, which was feared to be a new Romulan presence. In this time period, Picard did not inform his crew of his time shifts, worrying that it may influence the future.
He initially ignored Starfleet's orders and proceeded to Farpoint, but then diverted the ship to the Devron system and began scanning the anomaly with an inverse tachyon pulse. When it was discovered that the beam actually caused the anomaly and that the ship would need to create a static warp shell to contain the eruption, the crew was hesitant to accept the orders of their commander, who seemed to be making arbitrary decisions.
After a quick reassurance from Picard, the crew cooperated and the ship joined two other Enterprises in order to seal the breach. It was the first to be destroyed after the stress from the static warp shell caused a warp core breach.
The second ship existed in the anti-time present of 2370 and 2371. Its history was identical to the real ship up until that point. It was also sent to the Devron system and began to scan the anomaly with the inverse tachyon beam. Picard did tell this crew about his time shifts, and this ship was most drastically affected by the anomaly's effects.
This Enterprise joined the two other ships inside the anomaly, but was also destroyed trying to maintain a static warp shell.
In the anti-time future, the Enterprise was not destroyed at Veridian III, but remained in service for a number of years, Admiral Riker saving the vessel from being decommissioned by making it his personal flagship based out of Starbase 247.
In this future, the Enterprise had undergone several significant modifications, including the addition of a third nacelle, a cloaking device, and a powerful phaser mounted underneath the saucer section. Riker took the Enterprise to intercept the when he realized that Picard would investigate the anomaly without permission. It intercepted two Klingon battleships which were attacking the Pasteur, single-handedly destroying one with eight shots from the new phaser weapon. This forced the other vessel to retreat. The Enterprise then rescued the crew of the badly-damaged Pasteur before it was destroyed due to a warp core breach.
Riker ordered the Enterprise back to Federation space, but Picard later convinced him to return to the Devron system and the ship arrived in time to watch the initial formation of the anomaly. It was the last ship to be destroyed when the anomaly was sealed, preventing any of these ships from coming into existence. ()
===Destruction at Veridian III===
In yet another alternate timeline, the saucer section of the Enterprise-D was destroyed with the loss of all hands shortly after its crash-landing on the surface of Veridian III. In this version of events, Doctor Tolian Soran successfully launched his trilithium missile into the Veridian star; the resulting shock wave destroyed all planets in the system. Fortunately, before the wave reached the planet, both Soran and Captain Picard were swept into the Nexus, until the Enterprise-D's saucer section and all aboard were wiped out when the shock wave reached Veridian III.
Acquiring the assistance of James T. Kirk, Picard was able to return to a point before Soran launched his weapon and prevent the destruction of the Veridian star, sparing the lives aboard the saucer section of the Enterprise-D at the same time. ()
===Purple Enterprise===
In an alternate reality, the Enterprise still existed in 2382 and was purple rather than a neutral gray. Unlike in the prime universe, Lieutenant Commander Data, also purple, was still intact and serving on the ship in 2382 when it crossed into the prime universe through a quantum fissure "while battling some evil clones of Tasha Yar, or something" before returning to its own universe. Data's shuttle was accidentally left behind and he crashed on Dilmer III where he was eventually recovered by the . Captain Carol Freeman promised to send Data's head -- the only part of him that had survived a shuttle crash -- back through the still open rift to his own universe for the purple Enterprise to recover. After learning that the prime universe Enterprise was just a neutral gray, Data commented that "that seems like a missed opportunity when purple is an option." Freeman and Commander Jack Ransom subsquently loaded Data's head into a torpedo casing and launched it through the rift for the Enterprise to recover. ()
==Appendices==
===Appearances===
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===Background information===
The Enterprise-D model was designed by Andrew Probert. The basic layout of the ship was derived from a painting Probert had done following of how he would redesign the Enterprise had he been allowed to break with the basic plan Matt Jefferies and Joe Jennings created for Star Trek: Phase II. When he was hired to work in the Star Trek: The Next Generation art department, he brought the painting with him and hung it in his office, then set to work on the design of the bridge. Out of pure luck, David Gerrold saw the painting and brought it to Gene Roddenberry's attention. Roddenberry immediately approved the general direction. Probert further refined the design into the familiar shape; however, he originally conceived the battle section as a smaller vessel shaped like a "D" which detached from an area on the saucer. Later, the producers informed him that they wanted the ship to split in two and have the engineering hull serve as the battle section. This presented an additional problem for Probert, as he needed to figure out some way to fulfill the producers' requests while keeping the original lines of the design. Eventually, he found a way to incorporate a separation using the approved design, and after several more minor changes, the design reached its final form. Roddenberry's only requests were to lengthen the ends of the warp nacelles and to keep the bridge on the top of the saucer section rather than within the ship. Roddenberry felt that having the bridge on the exterior gave a sense of scale to the vessel.
Two versions of the filming miniature were built by Industrial Light & Magic (ILM) for the first season: a large six-foot model and a smaller less-detailed two-foot model, both constructed under the supervision of Ease Owyeung. Both were capable of saucer separation. The cost to construct the original models was US$75,000. For the third season, Greg Jein built a new four-foot miniature. It was not built to separate, but for the first time it accurately depicted the Ten Forward windows. It first appeared in and completely replaced the previous two models, although stock footage of the original models was still used. The six-foot model was briefly reused for the saucer separation in . It was completely refurbished and overhauled for , where it represented the Enterprise alongside a computer-generated version and a special twelve-foot-wide saucer, created for the crash sequence. ILM crewmember Bill George relabeled the registry on the saucer to "NCC-1701-E" before the model was returned to the Paramount archives. The four-foot model was modified into the three-nacelled Enterprise from and later partially restored to become the in and the in .
File:Enterprised miniatures.jpg|The three miniatures used to represent the Enterprise-D: from front to back, the two-footer, the four-footer, and the six-footer
File:USS Enterprise-D, 2364.jpg|The six-foot model
File:USS Enterprise-D, TNG Season 3-7.jpg|The four-foot model
File:USS Enterprise-D at Qualor II, remastered.jpg|CBS Digital CGI model
The original six-foot filming model of the Enterprise-D (Lot #712) was sold at the 40 Years of Star Trek: The Collection auction on for US$576,000, including the buyer's premium (the winning bid was US$500,000), by far the highest price for any item in the auction.
The CGI model was utilized as various Galaxy-class ships during and . This same CGI model was overhauled by Gabriel Koerner for the ship's appearance in .
During the early planning stages of TNG, it was intended for the series to be set in the late 25th century. The Enterprise-D would have been the seventh starship to bear the name, with a registry of NCC-1701-7. After the release of featuring the , the designation was changed to NCC-1701-G before the producers finally moved the series to eighty years after and settled on NCC-1701-D. There was also talk of eliminating the starship from the TNG series altogether and merely boosting the abilities of the transporter, but this idea was quickly dropped.
Interior sets were supervised by Herman Zimmerman during the first season and . Andrew Probert also contributed design sketches, most importantly for the bridge. Richard James took over the role from the second season until the end of the series. Many sets were recycled from those created by Harold Michelson for and the aborted Star Trek: Phase II. In turn, many of the Enterprise-D sets were transformed into those of the for .
Parts of the Enterprise-D sets, including the bridge tactical station, command chairs, and main engineering master systems display were displayed at the Hollywood Entertainment Museum until they shut down in 2007, at which time the items were returned to Paramount. Other smaller set pieces and walls have been kept in the Paramount archives and used in other Star Trek productions, even becoming parts of the recreated TNG sets in "These Are the Voyages...".
A design patent was issued in 1990 for the "ornamental design" of the Enterprise-D. Andrew Probert was recognized in that patent as the sole "inventor" of the design.
The Enterprise-D had a captain's yacht named the Calypso. It was never actually seen, due to budget restrictions, but it can be seen on the underside of the saucer section. (Star Trek: The Next Generation Technical Manual)
In a scene description from the final draft script of , the Enterprise-D was referred to as a "great ship".
===Apocrypha===
====Reference manuals====
The Enterprise-D was the subject of the highly detailed Star Trek: The Next Generation Technical Manual by Rick Sternbach and Michael Okuda, and had its sets rendered in QuickTime VR for the interactive version of the book.
Sternbach later produced a set of blueprints depicting every single deck of the Enterprise.
====Games====
The Enterprise-D was seen in several officially-licensed games, including Star Trek: The Next Generation - A Final Unity, Star Trek: The Next Generation - Echoes from the Past, and . It also made a brief appearance at the end of the Star Trek: Armada strategy game and in a Star Trek: Legacy mission with the . The USS Enterprise was also available in a Booster Pack for the Customizable Disk Game Star Trek: Red Alert! by Last Unicorn Games.
====Attractions====
The Enterprise-D met the science vessel Antares at the conclusion of Star Trek: Orion Rendezvous, a Star Trek-themed planetarium show produced in in conjunction with the Star Trek: Federation Science exhibit. That exhibit featured displays and interactive learning games modeled after the Enterprise-D bridge, engineering, sickbay, science lab, and transporter room.
Until September 1st, 2008, fans could visit the Enterprise-D via Star Trek: The Experience, which took guests through the transporter room, corridors, bridge, and shuttle deck while attempting to escape into a temporal rift aboard a shuttle motion simulator ride. Similar recreations of certain sets were included in the European Star Trek World Tour. 
===External links===
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