Established as an Executive Agency of the Ministry of Defence (MoD) in April 1991. It represented the bringing together of four previously separate defence research establishments, which had been known as:
Royal Aircraft Establishment,
Royal Armament Research & Development Establishment,
Royal Signals & Radar Establishment, and
Admiralty Research Establishment.
On 1 April 1993 the Defence Research Agency became a Trading Fund. It was wholly owned by the UK government but was a distinct organisation headed by a Chief Executive who derived his authority from, and was directly accountable to, the Secretary of State for Defence.
From 1 April 1995, the Defence Evaluation & Research Agency (DERA) assumed the responsibilities of the Defence Research Agency. Added on 11/06/2008