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During the Cold War, the UK developed an emergency alert system called the WB400/WB600/WB1400 warning system, operated by the UK Warning and Monitoring Organisation, aimed to alert UK institutions and the public before a catastrophic wartime attack, such as a nuclear warhead detonation or severe bombing. [3]
WB1401 warning receiver in a former local authority control centre. The Director UKWMO was located at the United Kingdom Regional Air Operations Command (UK RAOC) at RAF Booker tasked with instigating the four-minute warning. [4] The Deputy Director would be located at a standby UK RAOC, described at the time as being "elsewhere in the UK".
Britain is on the precipice of a “third nuclear age” in which it must face down multiple threats, the head of the armed forces has warned. In an annual address at the Royal United Services ...
WB1401 warning receiver in a local authority control centre. Handel was the code-name for the UK's national attack warning system in the Cold War. It consisted of a small console with two microphones, lights and gauges. If an enemy airstrike was detected, a key on the left-hand side of the console would be turned and two lights would come on.
In the 1950s and 1960s, training as a fighter controller in the UK was at MRS Bawdsey (RAF Bawdsey). The main central control was known as ADOC, which monitored the UK Air Defence Region (UK ADR). It was similar to the USA's and Canada's NORAD at Peterson Air Force Base. The ROTOR system was developed in the 1950s. [23]
In July 2019 changes were made to the terrorism threat level system creating a 'New Format' of threat levels, to reflect the threat posed by all forms of terrorism, irrespective of ideology. There is now a single national threat level describing the threat to the UK, which includes Islamist, Northern Ireland, left-wing and right-wing terrorism. [1]
The four-minute warning was a public alert system conceived by the British Government during the Cold War and operated between 1953 and 1992. The name derived from the approximate length of time from the point at which a Soviet nuclear missile attack against the United Kingdom could be confirmed and the impact of those missiles on their targets.
A British soldier on a beach in Southern England, 7 October 1940. Detail from a pillbox embrasure.. British anti-invasion preparations of the Second World War entailed a large-scale division of military and civilian mobilisation in response to the threat of invasion (Operation Sea Lion) by German armed forces in 1940 and 1941.