Alert state

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An alert state is an indication of the state of readiness of the armed forces for military action or a State against terrorism or military attack. The term frequently used is on High Alert [1] Examples scales indicating alert state are the DEFCON levels of the US armed forces.[2] and the British government's UK Threat Levels.[3] High alert states are synonymous with red alert.

See also[edit]


  1. ^ U.S. Military on 'High Alert' [Retrieved 2013 April 12]
  2. ^ R. van Dijk Encyclopedia of the Cold War, Volume 1
  3. ^ Home Office Terrorism and national emergencies [Retrieved 2013 April 12] Archived 2013-07-29 at the Wayback Machine.