The relative security (although inefficient against a coordinated attack) enjoyed by players in the so-called "Low security space" zones, as opposed to "0.0 space" where PvP can freely occur, is largely due to the presence of these sentry guns.ĭescent Freespace and Freespace 2 are also noted for having sentry guns. In the space-based MMORPG Eve Online, the areas surrounding stations and jump gates are lightly defended by sentry guns similar to CIWS systems. The game Perfect Dark features enemy sentry guns that must be destroyed in order to advance in the game, in addition to a player-usable version disguised as a laptop computer. All sentry devices in the game are able to be hacked or bribed by the player to serve himself. The game BioShock features sentry guns in machine gun, rocket launcher, and flamethrower varieties as well as security bots summoned by security cameras which are essentially sentry guns with rotors allowing them to fly like small helicopters. "Portal", also made by the creators of the Half-Life game series prominently features sentry guns that deliver humorous dialogue in high-pitched electronic voices. In both "Half-Life" and "Half-Life 2", many levels involve destruction or even control of sentry guns. Squad leaders are able to employ sentry drones (also a 3rd level unlock), whose targets are designated by squad members through NetBat. In the game " Battlefield 2142", the support class can unlock a sentry gun as one of its 3rd level unlocks. The spy class has a tool (the Electro-Sapper) specifically designed to neutralize sentry guns. The latest incarnation of the TF sentry gun starts as a high-caliber cannon, upgradeable with machine guns and rocket launchers. In the Team Fortress series of games the engineer class can construct and later upgrade sentry guns. Various games-such as "Duke Nukem" and ""-have several versions. Another early game that featured the sentry gun was " Goldeneye 64". Although sentry guns first appeared in the " Command & Conquer" series Fact|date=August 2008, the " Team Fortress" mod for " QuakeWorld" solidified the sentry gun's position in gamers' vocabularies. Video games have provided a fertile ground for visions of sentry guns. Later, in 1995, Crichton wrote about a more advanced vision of sentry guns in his book " Congo". Michael Crichton's version, in the 1969 novel " The Andromeda Strain", fired tranquillizer darts at intruders in the underground facility. It is also equipped with communication equipment (a microphone and speakers), "so that passwords can be exchanged with human troops." If the person gives the wrong password, the robot can "sound an alarm or fire at the target using rubber bullets or a swivel-mounted K-3 machine gun." South Korea's 3,500 soldiers in Iraq are "currently using robot sentries to guard home bases." ]Ī sentry gun is used to pin down a group of rebelling colonists in Robert A. The Intelligent Surveillance and Guard Robot can "identify and shoot a target automatically from over two miles away." The robot, which was developed by a South Korean university, uses "twin optical and infrared sensors to identify targets from 2.5 miles in daylight and around half that distance at night." It is capable of tracking multiple moving targets using IR and visible light cameras, and is under the control of a human operator. In 2006, Samsung Techwire, a subsidiary of Samsung Group, announced a $200,000, all weather, 5.56 mm robotic machine gun to guard the Korean DMZ. Retrieved on April 10, 2008] These guns perform sentry duty against missiles, but are not in line with the fictional versions of the sentry gun that are used primarily against humans in books, movies, and video games. According to the United States Navy, Phalanx is the only deployed close-in weapon system capable of autonomously performing its own search, detect, evaluation, track, engage and kill assessment functions ". Similar to the Phalanx is the Goalkeeper CIWS, a more powerful version with the same purpose.
There is a land-based version of the Phalanx CIWS, also used for missile defense. The earliest functioning sentry gun was the Phalanx close-in weapons system (CIWS), a radar-guided gatling gun platform that defends ships from missiles. Fictional examples of automatic sentry guns have appeared since the 1980s, in films such as "Aliens" (1986) and the television series " Æon Flux" (early 1990s). Video games have provided a fertile ground for fictional visions of sentry guns. In 2006, Samsung Group announced a 5.56mm robot machine gun to guard the Korean DMZ.įictional sentry guns have appeared in science fiction since the 1940s. The earliest functioning sentry gun was the Phalanx CIWS, a radar-guided gatling gun platform that defends ships from missiles. The sentry gun is a gun that is automatically aimed and fired at targets that are detected by sensors.
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