Input (grade 10): The JCS published DoD Directive 5105.21, "Defense Intelligence Agency" on 1 August, and DIA began operations with a handful of employees in borrowed office space on 1 October 1961.
Output (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.