List of military officers who have led divisions of a civil service

The following is a list of military officers who have led divisions of a civil service.

Brigadier-General (Ret) Gordon O'Connor, Minister of National Revenue 2007-

A serving military officer, without special authorization, cannot be Secretary of State or Defense. Special circumstances existed for George Marshall, as a five-star General of the Army (GOA). Five-star ranks, which have not been used since shortly after World War II, technically never retire. The National Security Act of 1947 allows either the Director or Vice Director of Central Intelligence to be a serving officer, but not both.

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