ANTITERRORISM: Defensive measures used to reduce the vulnerability of individuals and property to terrorist acts, to include limited response and containment by local military forces.
COMBATING TERRORISM: Actions, including antiterrorism (defensive measures taken to reduce vulnerability to terrorist acts) and counter-terrorism (offensive measures taken to prevent, deter, and respond to terrorism), taken to oppose terrorism throughout the entire threat spectrum.
COUNTER-TERRORISM: Offensive measures taken to prevent, deter, and respond to terrorism.
DETERRENCE: The prevention from action by fear of the consequences. Deterrence is a state of mind brought about by the existence of a credible threat of unacceptable counteraction.
FORCE PROTECTION PROGRAM: Security program designed to protect service members, civilian employees, family members, facilities, and equipment, in all locations and situations, accomplished through planned and integrated application of combating terrorism, physical security, operations security, personal protective services, and supported by intelligence, counterintelligence, and other security programs.
PHYSICAL SECURITY: That part of security concerned with physical measures designed to safeguard personnel; to prevent unauthorized access to equipment, installations, material and documents; and to safeguard them against espionage, sabotage, damage, and theft.
PROACTIVE MEASURES: In antiterrorism, measures taken in the preventative stage of antiterrorism designed to harden targets and detect actions BEFORE they occur.
TERRORISM: The calculated use of unlawful violence, or threat of unlawful violence, to inculcate fear. It is intended to coerce, or to intimidate governments or societies in the pursuit of goals that are generally political, religious, or ideological.
TERRORIST: An individual who uses violence, terror, and intimidation to achieve a result.
TERRORIST GROUPS: Any element, regardless of size or espoused cause, which repeatedly commits acts of violence or threatens violence in pursuit of its political, religious, or ideological objectives.