Input (grade 11): The Department of Defense created DIA with the publication of Directive 5105.21, "Defense Intelligence Agency" on 1 August, effective 1 October 1961.
Output (grade 11): DIA, designated in 1986 as a Defense Department combat support agency, was established in 1961 as a result of a decision by Secretary of Defense Robert S. McNamara, under President John F. Kennedy.