It is home to the Defence Science and Technology Laboratory, known as 'Dstl, Porton Down'. Dstl is an Executive Agency of the Ministry of Defence (MoD), and the site is believed to be one of the United Kingdom's most sensitive and secretive government facilities for military research, including CBRN defence. The Dstl site occupies 7,000 acres (28 km²).
It is also home to the Health Protection Agency's Emergency Preparedness and Response Centre as well as a small science park which includes companies such as Tetricus Bioscience and Ploughshare Innovations
Porton Down originally opened in 1916 as the Royal Engineers Experimental Station as a site for testing chemical weapons. The laboratory's remit was to conduct research and development regarding chemical weapons agents such as chlorine, phosgene and mustard gas by the British armed forces in the First World War.
By 1918 the original two huts had become a large hutted camp with 50 officers and 1,100 other ranks. Studies in the Great War mainly concerned the dissemination of chlorine and phosgene and, later, mustard gas. By May 1917 the focus for anti-gas defence and respirator development had moved from London to Porton Down.
After the Armistice, staff at Porton Down were reduced to a skeleton level.
By 1926 the chemical defence aspects of Air Raid Precautions (ARP) for the civilian population was added to the Station’s responsibilities. By 1938, the international situation was such that offensive chemical warfare research and development and the production of war reserve stocks of chemical warfare agents by the chemical industry was authorised by the Cabinet. Britain had ratified the 1925 Geneva Protocol in 1930 with reservations which permitted the use of chemical warfare agents only in retaliation.
The Common Cold Unit (CCU) was sometimes confused with the Microbiological Research Establishment at Porton Down, with which it occasionally collaborated but was not officially connected. The CCU was located at Harvard Hospital, Harnham Down, on the west side of Salisbury.
Chemical warfare was not used by any nation during the Second World War but as Allied armies penetrated Germany, operational stockpiles of munitions and weapons were discovered which contained new chemical warfare agents; the highly toxic organophosphorous nerve agents, unknown to Britain and the Allies.
During the Second World War, research concentrated on chemical weapons such as nitrogen mustard, plus biological weapons including Anthrax and Botulinum toxin. In 1942, highly successful tests of an anthrax bio-weapon developed at Porton Down were held at Gruinard Island.
When WW2 ended, the advanced state of German technology regarding nerve agents such as Tabun, Sarin and Soman surprised the allies and they were eager to capitalise on it. Subsequent research took the newly discovered German nerve agents as a starting point, and eventually VX nerve agent was developed at Porton Down in 1952.
The late 1940s and early 1950s saw research and development at Porton Down aimed at providing Britain with the means to arm itself with a modern nerve agent based capability and to develop specific means of defence against these agents. In the end these aims came to nothing on the offensive side because of the decision to abandon any sort of British chemical warfare capability. On the defensive side there were years of difficult work to develop the means of prophylaxis, therapy, rapid detection and identification, decontamination and more effective protection of the body against nerve agents, capable of exerting effects through the skin, the eyes and respiratory tract.
Tests were carried out on servicemen to determine the effects of nerve agents on human subjects, with one recorded death due to a nerve gas experiment. There have been persistent allegations of unethical human experimentation at Porton Down, such as those relating to the death of Leading Aircraftman Ronald Maddison, aged 20, in 1953. Maddison was taking part in sarin nerve agent toxicity tests. Sarin was dripped on to his arm and he died shortly afterwards as a result.
In the 1950s the Chemical Defence Experimental Establishment became involved with the development of CS, a riot control agent, and took an increasing role in trauma and wound ballistics work. Both these facets of Porton Down’s work had become more important because of the situation in Northern Ireland.
In 1970 the Chemical Defence Establishment became the title of the senior establishment at Porton Down and remained for the next 21 years. Preoccupation with defence against the nerve agents continued but in the 1970s and 1980s the Establishment was also concerned with studying reported chemical warfare by Iraq against Iran and against its own Kurdish population.
Until 2001 the military installation of Porton Down was part of the UK government's Defence Evaluation and Research Agency. DERA was spilt into QinetiQ, initially a fully government owned company, and the Defence Science and Technology Laboratory (Dstl). Dstl incorporates all of DERA's activities deemed unsuitable for the privatisation planned for QinetiQ, particularly Porton Down.
Following the Iraqi invasion of Kuwait in August 1990, the problems increased, culminating in active operational support of British Forces in the Gulf region. After the Gulf ceasefire the establishment continued to provide technical support for the United Nations Special Commission set-up to oversee the destruction of the Iraqi capability to use nuclear, biological and chemical weapons. This continued until 1999 when Iraq withdrew co-operation from the Commission.
"I would not say that the Defence Committee is micro-managing either DERA or Porton Down. We visit it, but, with 11 members of Parliament and 5 staff covering a labyrinthine department like the Ministry of Defence and the Armed Forces, it would be quite erroneous of me and misleading for me to say that we know everything that’s going on in Porton Down. A) It’s too big for us to know, and secondly, there are many things happening there that I’m not even certain Ministers are fully aware of, let alone Parliamentarians."
Parliamentarian Sir Thomas Dalyell annoyed a number of ministers and was heavily censured by the privileges committee for a leak about the biological weapons research establishment Porton Down to the newspapers (though he claimed that he thought the minutes were in the public domain).
Dstl Porton Down has also been involved in human-testing.
A second inquest on Ronald Maddison commenced in May 2004, after many years of lobbying by his relatives and their supporters. It later found the death of Ronald Maddison to have been unlawful ; however this has since been challenged by the Ministry of Defence.
In February 2006 three ex-servicemen were awarded compensation in an out-of-court settlement after claims they were given LSD without their consent during the 1950s.
In 2003 it was speculated that Cambridge University will move its primate laboratory to Porton Down.
During 2005, 21,118 procedures were undertaken which involved the use of animals , nearly double the number undertaken in 1997 . In 2005, approximately 95% of the animals used (20,016) were mice. Other animals used included guinea pigs, rats, pigs, ferrets, sheep, and non-human primates (believed to be marmosets, rhesus monkeys and macaques). The figures released in 2005 also reveal that one cow was used in a secret experiment in 2004 .
Different departments at Porton Down use animal experiments in different ways. Dstl’s Biomedical Sciences department is involved with drug evaluation and efficacy testing (toxicology, pharmacology, physiology, behavioural science, human science), trauma and surgery studies, and animal breeding. The Physical Sciences department also uses animals in its ‘Armour Physics’ research.
Like other aspects of research at Porton Down, precise details of animal experiments are generally kept secret. However, media reports have suggested they include exposing monkeys to anthrax, draining the blood of pigs and injecting them with E. coli bacteria, and exposing animals to a variety of lethal, toxic nerve agents Different animals are used for very different purposes. According to a 2002 report from the Animal Welfare Advisory Committee of the Ministry of Defence, mice are used mainly to research "the development of vaccines and treatments for microbial and viral infections", while pigs are used to "develop personal protective equipment to protect against blast injury to the thorax"
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