Extraction (military)
Extraction in tactical combat
Combat, or fighting, is a purposeful violent conflict meant to establish dominance over the opposition, or to terminate the opposition forever, or drive the opposition away from a location where it is not wanted or needed....

 and special operations
Special operations
Special operations are military operations that are considered "special" .Special operations are typically performed independently or in conjunction with conventional military operations. The primary goal is to achieve a political or military objective where a conventional force requirement does...

 use, is the process of removing constituents from a targeted site when it is considered imperative that they be immediately relocated out of a hostile environment and taken to a secured area under friendly control. Extraction may imply rescuing
Rescue refers to responsive operations that usually involve the saving of life, or prevention of injury during an incident or dangerous situation....

 entities from grave danger or immediate conditions that they are incapable of surviving. Both extraction and rescue may be for unsuspecting and/or unwilling persons and involving rapid deployment
Military deployment
Military deployment is the movement of armed forces and their logistical support infrastructure around the world.-United States:The United States Military defines the term as follows:...

, dynamic defense of the moving tactical envelope and high-speed extrication by a special force protection
Force protection
Force protection or FP is a term used by the US military to describe preventive measures taken to mitigate hostile actions in specific areas or against a specific populous, usually Department of Defense personnel , resources, facilities, and critical information.-See also:*Pentagon Force Protection...


Extraction is also referred to as "dust-off in xx (minutes)". The LZ is the landing zone
Landing Zone
A Landing Zone or "LZ" is a military term for any area where an aircraft can land.In the United States military, a landing zone is the actual point where aircraft land...

 for a helicopter or airplane, usually marked by coordinates
Coordinate system
In geometry, a coordinate system is a system which uses one or more numbers, or coordinates, to uniquely determine the position of a point or other geometric element. The order of the coordinates is significant and they are sometimes identified by their position in an ordered tuple and sometimes by...

, smoke grenade
Smoke grenade
Smoke grenades are canister-type grenades used as ground-to-ground or ground-to-air signaling devices, target or landing zone marking devices, or as screening devices for unit movements. Smoke grenades are normally considered non-lethal, although incorrect use may cause death...

s with a color recognizable in that area, or flare
Flare (pyrotechnic)
A flare, also sometimes called a fusee, is a type of pyrotechnic that produces a brilliant light or intense heat without an explosion. Flares are used for signalling, illumination, or defensive countermeasures in civilian and military applications...

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