Mandatory Credit: Photo by Shutterstock (10955578c) Queen Elizabeth II arrives at the Energetics Analysis Centre as they visit the Defence Science and Technology Laboratory (Dstl) at Porton Down science park near Salisbury, southern England, on October 15, 2020. Queen Elizabeth II and Prince William visit to Defence Science and Technology Laboratory, Porton Down, Salisbury, UK - 15 Oct 2020 The Queen and the Duke of Cambridge visited the Defence Science and Technology Laboratory (Dstl) where they were to view displays of weaponry and tactics used in counter intelligence, a demonstration of a Forensic Explosives Investigation and meet staff who were involved in the Salisbury Novichok incident. Her Majesty and His Royal Highness also formally opened the new Energetics Analysis Centre.