Alert state

From Wikipedia, the free encyclopedia

An alert state or state of alert is an indication of the state of readiness of the armed forces for military action or a state against natural disasters, 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 military,[2] South Korea's "Jindogae" system,[3] and the UK Threat Levels.[4] High alert states are synonymous with "red alert".[5]

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. ^ "NK fires shells onto S. Korean island, kills 2 Marines". Dong-A Ilbo. 24 November 2010. Retrieved 30 November 2010.
  4. ^ Home Office Terrorism and national emergencies [Retrieved 2013 April 12] Archived 29 July 2013 at the Wayback Machine
  5. ^ The dictionary definition of red alert at Wiktionary