DSTL
Following the split of DERA in 2001, the Fort Halstead site was gifted to QinetiQ who leased part of the site back to Dstl. Its most recent principal functions have been research and forensic analysis into explosives, and the site's explosives laboratory was again used in the investigation following the attempted 21 July 2005 London bombings. The facility has been the largest employer in the Sevenoaks district, with 1,300 personnel working on the site in 2000.
In March 2006, QinetiQ sold the Fort Halstead site to Armstrong Kent LLP for an undisclosed sum. On 17 June 2011 Dstl announced that its facilities at Fort Halstead are to close following a review of operations at the site.
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