USS Voyager's shields in action

In the fictional Star Trek universe, shields are defenses used to protect some starships in the 23rd and 24th centuries by absorbing or deflecting the energy of natural or artificial hazards. Prolonged exposure to such hazard weakens the shields, which can eventually collapse (Star Trek VI: The Undiscovered Country). Image File history File links Deflector_shield. ... Image File history File links Deflector_shield. ... The USS Voyager (NCC-74656), an Intrepid class starship The USS Voyager (NCC-74656) is an Intrepid class starship in the Star Trek fictional universe and was the primary setting of the television program Star Trek: Voyager. ... Star Trek is an American science-fiction franchise spanning six television series, ten feature films, hundreds of novels, computer and video games, and other fan stories. ... The fictional starship Enterprise (NCC-1701-D) from Star Trek: The Next Generation. ... Star Trek VI: The Undiscovered Country (Paramount Pictures, 1991; see also 1991 in film) is the sixth feature film based on the popular Star Trek science fiction television series. ...

The term "shields" first appears in Star Trek: The Next Generation (TNG: "Encounter at Farpoint"); their Original Series equivalents are referred to as "screens"^{[citation needed]}. The title as it appeared in most episodes opening credits. ... The title as it appeared in most episodes opening credits. ... Encounter at Farpoint was the first episode of Star Trek: The Next Generation. ... 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. ...

Shields do not exist at the time of Star Trek: Enterprise; Starfleet ships of that time period use 'polarized hull plating', in effect an energy charge applied to a ship's armor to make it more resistant to weapons fire. Hull plating, like shielding, can be lessened by repeated attack, and can also go offline. It is unknown when shields were invented in the Trek universe. The starship Enterprise (NX-01) Star Trek: Enterprise is a science fiction television series set in the Star Trek universe. ... Starfleet Command In the Star Trek fictional universe, Starfleet is the paramilitary defense, research, diplomacy, and exploration force of the United Federation of Planets (UFP) with – as of the late 24th century – hundreds of starships and starbases at its disposal. ...

Use

The most commonly seen use of shields is to protect the ship and crew against enemy attacks.

The Duras sisters penetrate the USS Enterprise-D's shields entirely by matching their torpedo frequency to match the ship's shield frequency (Star Trek: Generations). In the fictional Star Trek universe, the Klingon sisters Lursa (played by Barbara March) and BEtor (played by Gwynyth Walsh) are collectively known as the Duras sisters (TNG: Redemption, Part I). Lursa (who is older) (TNG: Firstborn) and BEtor appear in three episodes of Star Trek: The Next... The USS Enterprise (NCC-1701-D) is a starship in the Star Trek fictional universe, the principal setting of the television series Star Trek: The Next Generation. ... Star Trek: Generations (Paramount Pictures, 1994, see also 1994 in film) is the seventh feature film based on the popular Star Trek science fiction television series. ...

Changing shield "nutation" can prolong the amount of time it takes the Borg to penetrate the shields (TNG: "The Best of Both Worlds, Part I"). Changing both the shield size and frequency can similarly momentarily ward off the Paxans (TNG: "Clues"). To meet Wikipedias quality standards, this article or section may require cleanup. ... The Best of Both Worlds is a two-part episode from the third/fourth seasons of the television series Star Trek: The Next Generation. ... Clues is an episode of the science fiction television series Star Trek: The Next Generation. ...

Having the shields activated can prevent transporter use, although there are technical workarounds (TNG: "The Wounded"). At other times, the series' writers disregard this "rule" (Voy: "Caretaker", Star Trek: First Contact). The Wounded is the twelfth episode of the fourth season of Star Trek: The Next Generation. ... The starship Voyager (NCC-74656), an Intrepid-class starship. ... Caretaker was the first episode of the television series Star Trek: Voyager. ... Star Trek: First Contact (Paramount Pictures, 1996; see also 1996 in film), is the eighth feature film based on the popular Star Trek science fiction television series. ...

See also

• Deflector shield
• Force field

A deflector shield is a fictional technology commonly found in science fiction. ... In science fiction and fantasy literature, a force field is a physical barrier made up of energy to protect a person or object from attacks or intrusions. ...

External links

• Deflector shield article at Memory Alpha, the Star Trek wiki.