In May, 1942, the Radar Research and Development Establishment (RRDE) was set up on the site, to develop truck mounted early warning radars.

Merrison's was first appointed as an Experimental Officer working on radar at the Signal Research and Development Establishment, Christchurch, Hampshire 1944-1946.

The Royal Armament Research and Development Establishment at Fort Halstead designed a new 120mm rifled tank gun in 1957.

In 1944, this was reorganized as the Radar Research and Development Establishment (RRDE).

The Radar Research and Development Establishment (RRDE) had split off earlier, and was moved to Malvern at about the same time.

Certification agencies include the Automotive Research Association of India and the Vehicle Research and Development Establishment.

He was later promoted to head the Foreign Office Research and Development Establishment (F.O.R.D.E).

It was designed by the government Royal Armament Research and Development Establishment (RARDE).

Armament Research and Development Establishment, a Pune-based DRDO laboratory, led the development of the system.

After the war it was used for a while by the Signals Research and Development Establishment.