The Defence Research Agency (normally known as DRA), was an agency of the UK Ministry of Defence (MOD) from April 1991 until April 1995. At the time the DRA was Britain's largest science and technology organisation. The Ministry of Defence building, Whitehall, Westminster, London The Ministry of Defence (MoD) is the United Kingdom government department responsible for implementation of government defence policy and the headquarters of the UK military. ... 1991 is a common year starting on Tuesday of the Gregorian calendar. ... 1995 was a common year starting on Sunday of the Gregorian calendar. ... // What is science? There are different theories of what science is. ... // Technology [from Gr. ... Alternative meaning: Organisation (band). ...

The DRA was formed in April 1991 as an amalgamation of the following research establishments: 1991 is a common year starting on Tuesday of the Gregorian calendar. ... Amalgamation, meaning to combine or unite into one form, has several uses: In chemistry, amalgamation is the blending of two elements, and usually an amalgam is a metallic alloy with the element mercury, often used in tooth fillings. ...

• Admiralty Research Establishment (ARE)
• Royal Aircraft Establishment (RAE)
• Royal Armament Research and Development Establishment (RARDE - major site Fort Halstead, Kent)
• Royal Signals and Radar Establishment (RSRE - major site Malvern, Worcestershire)

DRA headquarters was created at the RAE site at Farnborough, but the major sites maintained a great deal of independence. This article needs cleanup. ... Kent is a county in England, south-east of London. ... The Royal Signals and Radar Establishment was a scientific research establishment within the Ministry of Defences Defence Procurement Agency of the United Kingdom, located primarily at Malvern in Worcestershire. ... Malvern is a town in Worcestershire, England. ... Location within the British Isles Arms of the former Farnborough Urban District Council Farnborough is a town in the county of Hampshire in the south of England. ...

The Chief Executive throughout DRA's history was John Chisholm. Sir John Chisholm (born August 1946) is the Chief Executive of QinetiQ. He attended Cambridge University on a scholarship from General Motors. ...

In April 1995 the DRA combined with five other MOD establishments to form the Defence Evaluation and Research Agency (DERA), DRA's John Chisholm becoming Chief Executive of the enlarged DERA (split in July 2001 into DSTL and QinetiQ). 1995 was a common year starting on Sunday of the Gregorian calendar. ... The Defence Evaluation and Research Agency (normally known as DERA), was a part of the UK Ministry of Defence (MOD) until July 2, 2001. ... The Defence Evaluation and Research Agency (normally known as DERA), then Britains largest science and technology organisation, was a part of the UK Ministry of Defence until July 2, 2001. ... Sir John Chisholm (born August 1946) is the Chief Executive of QinetiQ. He attended Cambridge University on a scholarship from General Motors. ... The Defence Evaluation and Research Agency (normally known as DERA), then Britains largest science and technology organisation, was a part of the UK Ministry of Defence until July 2, 2001. ... The Defence Science and Technology Laboratory (Dstl) is part of the British Ministry of Defence. ... QinetiQ is a British defence technology company, created out of the greater part of the government agency DERA when it was split up in June 2001 (with the smaller part forming dstl). ...