A sentry gun is a weapon that is automatically aimed and fired at targets that are detected by sensors. The earliest functioning military sentry guns were the
close-in weapon systems
A close-in weapon system (CIWS ) is a point-defense weapon system for detecting and destroying short-range incoming missiles and enemy aircraft which have penetrated the outer defenses, typically mounted on a naval ship. Nearly all classes of l ...
point-defense weapons, such as the
Phalanx CIWS
The Phalanx CIWS (often spoken as "sea-wiz") is a gun-based close-in weapon system to defend military watercraft automatically against incoming threats such as aircraft, missiles, and small boats. It was designed and manufactured by the Ge ...
, used for detecting and destroying short range incoming missiles and enemy aircraft, first used exclusively on
naval assets, and now also as land-based defenses.
Military use
Samsung SGR-A1
The Samsung
SGR-A1 is a South Korean military robot sentry designed to replace human counterparts in the
demilitarized zone
A demilitarized zone (DMZ or DZ) is an area in which treaties or agreements between nations, military powers or contending groups forbid military installations, activities, or personnel. A DZ often lies along an established frontier or bounda ...
at the South and North Korean border. It is a stationary system made by
Samsung
The Samsung Group (or simply Samsung) ( ko, 삼성 ) is a South Korean multinational manufacturing conglomerate headquartered in Samsung Town, Seoul, South Korea. It comprises numerous affiliated businesses, most of them united under the ...
defense subsidiary
Samsung Techwin.
Sentry Tech
In 2007, the Israeli military deployed the Sentry Tech system, dubbed as the Roeh-Yoreh (Sees-Fires) by the
IDF along the
Gaza
Gaza may refer to:
Places Palestine
* Gaza Strip, a Palestinian territory on the eastern coast of the Mediterranean Sea
** Gaza City, a city in the Gaza Strip
** Gaza Governorate, a governorate in the Gaza Strip Lebanon
* Ghazzeh, a village in ...
border fence with
pillboxes placed at intervals of some hundreds of meters. The 4-million USD (3.35 million Euro) system was completed in late spring of 2008. The weapon system mounts a
.50BMG
The .50 Browning Machine Gun (.50 BMG, 12.7×99mm NATO and designated as the 50 Browning by the C.I.P.) is a caliber cartridge developed for the M2 Browning heavy machine gun in the late 1910s, entering official service in 1921. Under STAN ...
automated
M2 Browning
The M2 machine gun or Browning .50 caliber machine gun (informally, "Ma Deuce") is a heavy machine gun that was designed towards the end of World War I by John Browning. Its design is similar to Browning's earlier M1919 Browning machine gun, ...
machine gun and a
SPIKE guided missile in each pillbox
covered by an opaque protective shield. The weapon is operated by one soldier and fed information from cameras, long range electro-optical sensors, ground sensors, crewed aircraft, and overhead drones, as well as radar. Connected via fiber optics to a remote operator station and a
command-and-control
Command and control (abbr. C2) is a "set of organizational and technical attributes and processes ... hatemploys human, physical, and information resources to solve problems and accomplish missions" to achieve the goals of an organization or en ...
center, each machine gun-mounted station serves as a type of robotic sniper, capable of enforcing a nearly 1,500-meter-deep
area of denial. The gun is based on the
Samson Remote Controlled Weapon Station.
[''Robo-Snipers, "Auto Kill Zones” to Protect Israeli Borders'']
Noah Shachtman, Wired.com, June 4, 2007 The weapon is capable of acquiring targets and maintaining a firing solution independently, but still requires human input to fire or release ordnance.
Dozens of people have been shot with the Sentry Tech system. The first reported killing of an individual appears to have taken place during
Operation Cast Lead in December 2008.
According to Israeli sources, the process to authorize a kill is "complex" but can still be carried out in under two minutes. The same sources report that the weapons are mainly used for "warning shots" if they are fired at all, since the mere opening of the protective dome is often enough to intimidate any potential contacts into retreat.
Super aEgis II
In December 2010, the South Korean firm DoDAAM unveiled the Super aEgis II, an automated turret-based weapon platform that uses thermal imaging to lock onto vehicles
[Killer Robots: The Soldiers That Never Sleep](_blank)
/ref> or humans up to 3 km away. It is able to function during nighttime and is unaffected by weather conditions. The system gives a verbal warning before firing, and though it is capable of firing automatically, the company reports that all of its customers have configured it to require human confirmation. It is used at various facilities in Qatar
Qatar (, ; ar, قطر, Qaṭar ; local vernacular pronunciation: ), officially the State of Qatar,) is a country in Western Asia. It occupies the Qatar Peninsula on the northeastern coast of the Arabian Peninsula in the Middle East; it ...
and the United Arab Emirates
The United Arab Emirates (UAE; ar, اَلْإِمَارَات الْعَرَبِيَة الْمُتَحِدَة ), or simply the Emirates ( ar, الِْإمَارَات ), is a country in Western Asia ( The Middle East). It is located at ...
, including Abu Dhabi, among other places, and has been tested in the Korean Demilitarized Zone.
See also
*
* Lethal autonomous weapons (LAWs)
* Remote weapon station
* SM-70
Specific systems
* Goalkeeper CIWS
* PROWLER
*XTR-101/102
XTR-101 and XTR-102 are a pair of automatic close-defense 20mm remote weapon systems produced by the National Chung-Shan Institute of Science and Technology of Taiwan. The XTR-101 features a single T-75 cannon while the XTR-102 features two of the ...
References
{{DEFAULTSORT:Sentry Gun
Machine guns