JACADS - Johnston Atoll Chemical Agent Disposal System Johnston Atoll Johnston Atoll www.globalsecurity.org/... Global Security GlobalSecurity.org - Johnston Atoll and Kalama Atoll JACADS – Johnston Atoll Chemical Agent Disposal System JACADS - Johnston Atoll Chemical Agent Disposal System storage depot for many of the US’s nastiest chemical WMDs Johnston Atoll JACADS – Johnston Atoll Chemical Agent Disposal System