A Constitution class starship

In the fictional Star Trek universe, the USS Defiant (NCC-1764) was a Federation Constitution-class starship. She was one of the original 13 Constitution-class starships. The Defiant was seen in the original series episode "The Tholian Web" and in the Star Trek: Enterprise episode "In a Mirror, Darkly" This is the original Federation Starship Enterprise, NCC-1701. ... This is the original Federation Starship Enterprise, NCC-1701. ... The USS Enterprise (NCC-1701), a Constitution class starship in 2271 The Constitution class was a series of Starfleet vessel in the Star Trek fictional universe, first put into service in the mid-23rd century. ... The Enterprise boldly going where no man had gone before. ... Introduction In the fictional Star Trek universe, the United Federation of Planets is a federation of more than 150 member planets and thousands of colonies, based in the Alpha and Beta Quadrants of the Milky Way galaxy. ... The USS Enterprise (NCC-1701), a Constitution class starship in 2271 The Constitution class was a series of Starfleet vessel in the Star Trek fictional universe, first put into service in the mid-23rd century. ... The starship Enterprise as it appeared on Star Trek Star Trek is a culturally significant science fiction television series created by Gene Roddenberry in the 1960s. ... The Tholian Web is a third season episode of Star Trek: The Original Series. ... The starship Enterprise (NX-01) Star Trek: Enterprise is a science fiction television series set in the Star Trek universe. ...

In the series Star Trek: Deep Space Nine, taking place roughly a century later, a Defiant class starship, NX-74205 - named after the Constitution-class Defiant - was featured in numerous episodes. This second "Defiant" was designed and constructed at the Antares Fleet Yards, Bajor sector, and saw action during the second Borg invasion, and the Dominion War. Space station Star Trek: Deep Space Nine (ST:DS9 or STDS9 or DS9 for short) is a science fiction television series produced by Paramount and set in the Star Trek universe. ... The USS Defiant In the fictional universe of Star Trek, the Defiant class of starship is a variety of space-faring vessel used by Starfleet. ... This article is about the fictional planet. ... In the fictional Star Trek universe, the Dominion War is a war between the Dominion, Cardassians and Breen on one side, and the Alpha Quadrant alliance of the United Federation of Planets, Klingon Empire, and the Romulans. ...

In the original series episode "The Tholian Web", taking place in 2268, Starfleet lost contact with the Defiant. The Enterprise (NCC-1701) found her on the border of Tholian space. She was drifting in and out of sensor contact when found. Captain Kirk and a boarding party found that the crew was dead; they had all gone insane and killed each other. The starship Enterprise as it appeared on Star Trek Star Trek is a culturally significant science fiction television series created by Gene Roddenberry in the 1960s. ... The Tholian Web is a third season episode of Star Trek: The Original Series. ... Starfleet Command In the Star Trek fictional universe, Starfleet is the defense, research, diplomacy and exploration force of the United Federation of Planets. ... The USS Enterprise (NCC-1701), a Constitution class starship In the fictional universe of Star Trek, the USS Enterprise, NCC-1701 was a Constitution class starship that was commissioned in 2245. ... A Tholian Tholians are a starfaring and extremely territorial race in the Star Trek fictional universe. ...

While on the Defiant, the crew found that the ship was starting to disappear. The transporters on the Enterprise weren't working at 100%, Kirk remained behind while the rest of the crew beamed back. The Defiant then disappeared with Kirk on board. The crew was soon confronted by the Tholian Loskene on the grounds that the Federation violated Tholian space.

The Tholians soon began building their signature energy web around the Enterprise. Science officer Spock soon found that the entire area was littered with areas of interphase between universes. Doctor McCoy discovered that the interphase caused a biochemical imbalance, which caused the Defiant crew to go mad. He was able to synthesize medication to counteract the effects of the interphase. The Enterprise was able to use the interphase to escape, and recover Captain Kirk. However the Defiant was presumed destroyed while in interphase (however, see below).

The Star Trek: Enterprise episode "In a Mirror, Darkly" revealed that that Defiant was transported 100 years into the past and into the Mirror Universe where it was encountered by mirror universe counterparts of the Enterprise (NX-01) crew. The Tholians of the mirror universe had intentionally caused the interphase to occur, hoping to lure a ship from the 'normal' Trek universe over to the Mirror universe so they could capture the ship and use it for an invasion. The Mirror Tholians planted a false distress signal, which the Defiant answered before becoming trapped in interphase. The starship Enterprise (NX-01) Star Trek: Enterprise is a science fiction television series set in the Star Trek universe. ... In the Star Trek television series, the Mirror Universe is an alternate reality. ... The starship Enterprise (NX-01) The Enterprise (NX-01) is a starship in the Star Trek fictional universe commanded by Captain Jonathan Archer. ... A Tholian Tholians are a starfaring and extremely territorial race in the Star Trek fictional universe. ...

Non-Canon Appearences of the Defiant

In the the Lost Era book The Sundered the USS Excelsior breifly sees the Defiant while involved in a dangerous situation in Tholian space in the year 2298. The Excelsior is unable to attempt a rescue and the Defiant quickly vanishes. The USS Excelsior in 2293 The USS Excelsior is an fictional starship from Star Trek. ...

The story of the Defiant is continued in the SCE (Starfleet Corp of Engineers) E-Books Interphase books one and two. In 2376 the Defiant reappears in Tholian space. Starfleet dispatches the USS da Vinci to retreave it. A crew is beamed aboard with a supply of Theragen to make them immune to the effects of Interphase. The crew learns that the Defiant had discovered the Tholians attacked a Klingon colony and was attacked by the Tholians to prevent this information from reaching the Klingons. Since even 100 years later this news could prove damaging, the Tholians attack the da Vinci and Defiant, forcing the latter into Interphase with several members of the da Vinci's crew on board. This page is about the race. ...