Technician uses a rabbit to test for the presence of nerve gas at Rocky Mountain Arsenal,(RMA) Colorado,USA,1970. The RMA was a United States chemical weapons manufacturing center located in the Denver Metropolitan Area. The controversial site was operated by the United States Army from 1942 to 1992. Weapons manufactured at RMA included both conventional and chemical munitions,including white phosphorus,napalm,mustard gas,lewisite,and chlorine gas,and the site housed a stockpile of Sarin gas (nerve agent GB). It Is now a wildlife reserve |