Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,078 pages of information and 227,775 images on early companies, their products and the people who designed and built them.
The Defence Evaluation and Research Agency (DERA), a UK government agency
1991 The Defence Research Agency was established
Subsequently became DERA
2001 QinetiQ was formed from the greater part of DERA when it was split up in June 2001. The smaller part became DSTL.