Royal Observer Corps
The Royal Observer Corps (ROC) was a civil defence organisation intended for the visual detection, identification, tracking and reporting of aircraft over Great Britain. It operated in the United Kingdom between 29 October 1925 and 31 December 1995, when the Corps' civilian volunteers were stood down. (ROC headquarters staff at RAF Bentley Priory stood down on 31 March 1996). Composed mainly of civilian spare-time volunteers, ROC personnel wore a Royal Air Force (RAF) style uniform and latterly came under the administrative control of RAF Strike Command and the operational control of the Home Office. Civilian volunteers were trained and administered by a small cadre of professional full-time officers under the command of the Commandant Royal Observer Corps; latterly a serving RAF Air Commodore.
Royal Observer Corps
During 1958, RAF Fighter Command expressed a desire to obtain data similar to that provided by the ROC in the event of a nuclear attack, specifically that concerning the location of nuclear bursts and the resulting nuclear fallout. The Air Defence Commander at the Air Defence Operations Centre, (ADOC), RAF Bentley Priory, in order to ensure continued operations by RAF mobile and static units, wished to use such data in determining which UK airfields, (both civil and military), had been subject to blast damage and/or exposed to any subsequent nuclear fallout.