An alert state or state of alert is an indication of the state of readiness of the

armed force A military, also known collectively as armed forces, is a heavily Weapon, armed, highly organized force primarily intended for warfare. Militaries are typically authorized and maintained by a sovereign state, with their members identifiable ...

s for military action or a state against natural disasters,

terrorism Terrorism, in its broadest sense, is the use of violence against non-combatants to achieve political or ideological aims. The term is used in this regard primarily to refer to intentional violence during peacetime or in the context of war aga ...

or military attack. The term frequently used is "on high alert". Examples scales indicating alert state are the

DEFCON The defense readiness condition (DEFCON) is an alert state used by the United States Armed Forces. For security reasons, the U.S. military does not announce a DEFCON level to the public. The DEFCON system was developed by the Joint Chiefs of Sta ...

levels of the US military, South Korea's "Jindogae" system, and the UK Threat Levels. High alert states are synonymous with "red alert".

References

Military life Alert measurement systems {{mil-stub

See also

References