e/Defence Research Establishments

Information
has gloss	eng: The Defence Research Establishments were a number of separate UK Ministry of Defence Research Establishments, dating back to World War II, World War I, or even earlier. Each establishment had its own head; known as the Director or the Superintendent. Prior to the formation of the Ministry of Defence each of the three Services, i.e. the Royal Air Force, the Admiralty and the War Office, had their own research establishments; although some establishments had tri-service functions.
lexicalization	eng: Defence Research Establishments
instance of	c/Military research facilities of the United Kingdom