The Constitution-class began service in the early 23rd-Century, and continued to be the backbone of Starfleet up to the 2270's. They had 21 decks, 14 science labs, and initially built for a crew of 203 officers. It was refitted to carry a crew compliment of 430 officers and original designation of Starship-class was changed to Constitution-class in the 2260's. They used duotronic Daystrom Data Concepts M-4 computers and Shuvinaaljis Warp Technologies Model FWF-1 nacelles with a maximum speed of warp 8. The ship also was able to disconnect the nacelles, and saucer was also able to seperate, but could not reconnect.

The Constitution had several different mission objectives including exploring unknown space, first contact with new alien races, supplying Federation colonies, delivering medical supplies, transporting diplomats, and defending Federation space. The crew consisted of mission specialists of botanists, historians, psychologists, and tactical experts.

By the 2270's Starfleet began to refit the class, practially rebuilding it to include the modern advances in Federation technology since the Constitution was first designed. These enhancements included a computer systems upgrade, new bridge module, navigational deflector array and warp nacelles with internal bussard collector. However these refits could not save the aging class and had been retired in the 2290's. There is currently one Constutition in the Starfleet museum, with the USS Republic being used a Starfleet Academy training ship.

The registry number of the Constitution, NCC-1700, is from one of Scotty's technical manual screens in "Space Seed" (TOS). Since the class ship has a 1700 number, it wold seem only reasonable that the other ships of the class would have higher, possibly even sequential numbers. Unfortunatly, the USS Constellation bore much lower number, NCC-1017, (because it was a simple rearrangement of the decal sheet from the AMT Enterprise model kit) and the Republic was designated as NCC-1371. These data points suggest the Constitution-class ships had registry numbers that not only varied widely in range, but also could not be sequential. Modelmaker Greg Jein (through an amazingly complex and admittedly barely logical means) managed to match up the various Constitution ships with the starship status chart in Commodore Stone's office in Starbase 11, seen in "Court Martial" (TOS). Most of these registry numbers are from Greg's conjectural list, although several are from various Starfleet charts and readouts in Star Trek VI. A few of the Constitution-class ships listed below are not from any episode or movie, but are from the original Star Trek production office's starship list in Stephen Whitfield's book, The Making of Star Trek, which also lists the USS Valiant NCC-1223.


Type-I      Type-II

Related Links: Designing the Enterprise. The Enterprise Refit of 2271 (EAS).

Ships of class:
USS Constellation NCC-1017
   Commanded by Commodore Matt Decker. Destroyed in 2267 by an extragalactic planet killer weapon.
   "The Doomsday Machine" - TOS.
USS Constitution NCC-1700
   Seen on a wall display at Starbase 11. Appeared in a computer display accessed by Lore.
   Unknown if this ship is the actual prototype of this class or not.
   "Court Martial" - TOS. "Datalore" - TNG.

USS Defiant NCC-1764
   Disappeared in 2268 near Tholian space in a spatial interphase. The Defiant was last seen shimmering between two dimensions before    fading into interspace.
   "The Tholian Web" - TOS.
USS Eagle NCC-956
   Potential participant in Operation Retrieve to rescue Captain Kirk and Dr. McCoy from Rura Penthe in 2293.
   "Star Trek VI: The Undiscovered Country"
USS Endeavor NCC-1695
   Potential participant in Operation Retrieve to rescue Captain Kirk and Dr. McCoy from Rura Penthe in 2293.
   "Star Trek VI: The Undiscovered Country"
USS Enterprise NCC-1701
   First starship to bear the historic name.
   See Enterprise page for more information.
   "The Original Series" "Star Trek: The Motion Picture" "Star Trek II: The Wrath of Khan" "Star Trek III: The Search for Spock"
USS Enterprise NCC-1701-A
   Second starship to bear the name.
   See Enterprise-A page for more information.
   "Star Trek VI: The Voyage Home" "Star Trek V: The Final Frontier" "Star Trek VI: The Undiscovered Country"
USS Essex NCC-1697
   Seen in wall display at Starbase 11.
   "Court Martial" - TOS. "The Ultimate Computer" - TOS.
USS Excalibur NCC-1664
   Seen in wall display at Starbase 11. The crew was killed and the ship severely damaged in 2268 in the M-5 computer war games.
   "Court Martial" - TOS. "The Ultimate Computer" - TOS.
USS Exeter NCC-1672
   Commanded by Captain Ronald Tracey. In 2268 the Exeter was found adrift in orbit of Omega IV with it's crew killed.
   "The Omega Glory" - TOS.
USS Farragut NCC-1647
   Commanded by Captain Garrovick and Captain Kirk's first post. In 2257 the Dikironium Cloud creature at Tycho IV killed 200 of the    crew.
   "Obsession" - TOS.
USS Hood NCC-1703
   Seen in wall display at Starbase 11. The Hood was nearly destroyed in the M-5 computer war games.
   "Court Martial" - TOS. "The Ultimate Computer" - TOS.
USS Intrepid NCC-1831
   Had an all Vulcan crew, underwent repairs at Starbase 11 after being damaged in an ion storm in 2267. Destroyed by a massive    spaceborne amoeba in 2268.
   "Court Martial" - TOS. "The Immunity Syndrome" - TOS.
USS Kongo NCC-1710
   Potential participant in Operation Retrieve to rescue Captain Kirk and Dr. McCoy from Rura Penthe in 2293.
   "Star Trek VI: The Undiscovered Country"
USS Lexington NCC-1709
   Commanded by Commodore Robert Wesley. The Lexington was nearly destroyed and 53 members of it's crew killed during the M-5    computer war game in 2268.
   Named for the American aircraft carrier that fought in World War II.
   "The Ultimate Computer" - TOS. "Trials and Tribble-ations" - DS9.

USS Potemkin NCC-1657
   Nearly destroyed in the M-5 computer war game in 2268.
   "The Ultimate Computer" - TOS. "Turnabout Intruder" - TOS.
USS Republic NCC-1371
   Captain Kirk served on the Republic while still in the Academy around 2250.
   "Court Martial" - TOS.
USS Yorktown NCC-1717
   Scheduled to rendezvous with the Enterprise in 2268 to deliver vaccines for Theta VII. The Yorktown was disabled by the unknown alien    probe in 2286.
   Named for the American aircraft carrier that fought in World War II. The Yorktown was the original name for Star Trek's ship which was    later renamed to the Enterprise.
   "Obsession" - TOS. "Star Trek IV: The Voyage Home"

Name Unknown NCC-1685
   Seen in wall display at Starbase 11.
   "Court Martial" - TOS.
Name Unknown NCC-1718
   Seen in wall display at Starbase 11.
   "Court Martial" - TOS.

Specifications:
Type: Heavy Cruiser
Accommodation: 430 Personnel
Length: 289 Meters (Refit: 305 Meters)
Height: 68 Meters
Beam: 142 Meters
Maximum Warp factor: 6
Weapons: Eight phaser arrays
Torpedo launchers


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Constellation-class Daedalus-class