by Andrew Marshall

What is a Combat Support Agency?

Introduction Combat support agency (CSA) is a designation by the United States Department of Defence (DoD) of those defence agencies that provide department-level and tactical support to the US military during combat operations. Background The designation was first outlined by the Goldwater-Nichols Department of Defence Reorganisation Act of 1986, with subsequent additions based on the… Read More

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by Andrew Marshall

What is the Defence Threat Reduction Agency?

Introduction The Defence Threat Reduction Agency (DTRA) is a combat support agency within the United States Department of Defence (DoD) for countering weapons of mass destruction (WMD; chemical, biological, radiological, nuclear, and high explosives). According to the agency’s Strategic Plan for Fiscal Years 2018 to 2022, the DTRA mission: “enables DoD and the U.S. Government… Read More