by Andrew Marshall

What is the Defence Intelligence Agency (US)?

Introduction The Defence Intelligence Agency (DIA) is an intelligence agency and combat support agency of the United States Department of Defence, specialising in defence and military intelligence. A component of the Department of Defence (DoD) and the Intelligence Community (IC), DIA informs national civilian and defence policymakers about the military intentions and capabilities of foreign… Read More

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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