In 1942, the Ministry of Defence launched Operation Vegetarian, a series of experiments which released lethal Anthrax bombs against cattle on Gruinard Island. The weapons were more successful than even the Ministry of Defence had anticipated and the island was declared a no-go zone for decades. This is not a unique story: Dara McGrath’s photoseries Project Cleansweep investigates over 60 sites around the UK which have been used by the MoD for the testing of biological and chemical weapons throughout the 20th century.