4-504: The Bikini state was an alert state indicator previously used by the UK Ministry of Defence to warn of non-specific forms of threat, including civil disorder , terrorism or war. Signs giving the current alert state were displayed at the entrance to government buildings and military installations. It was established on 19 May 1970. According to the Ministry of Defence, the word " bikini "
8-456: A "Counter-Surprise" Military Alert System to mobilise its military forces. Alert state 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". Examples scales indicating alert state are the DEFCON levels of
12-726: Is only known to have been used for periods between the Good Friday Agreement and 11 September 2001. The system was illustrated in the British television drama Threads , produced by the BBC in 1984. It was replaced by a more general and public terrorism alert status, the UK Threat Levels , an alert state system in use by the British government since 1 August 2006. In addition to Bikini alerts that applied to individual installation NATO had
16-604: Was randomly selected by a computer. Whilst similar to the DEFCON (defence readiness condition) alert states used in the United States , the Bikini levels were defined by the section of the military or organisation rather than UK-wide, and as a result, countermeasures and reactions to differing states may differ as acutely as from building to building. The highest levels of alert, Red and Amber, were only intended to be maintained for limited times. The White state has rarely been used, and
#958041