"This directive states that the Armed Forces Radiobiology Research Institute (AFRRI) is designated a subordinate command of the Defense Nuclear Agency (DNA) established under the authority vested in the Secretary of Defense and that the AFRRI shall serve as the principal ionizing radiation radiobiology research laboratory for the Department of Defense and shall support defense research requirements identified by the DoD Components. The AFRRI may provide services and perform cooperative research with other Federal and civilian agencies and institutions with the approval of the Director, DNA. The mission of the AFRRI shall be to conduct research in the field of radiobiology and related matters essential to the operational and medical support of the Department of Defense and the Military Services. This directive applies to the Office of the Secretary of Defense (OSD), the Military Departments, the Organization of the Joint Chiefs of Staff (OJCS), and the Defense Agencies (hereafter referred to collectively as 'DoD Components'). The term 'Military Services,' as used herein, refers to the Army, Navy, Air Force, and Marine Corps."
DoD Directive 5105.33; DoDD 5105.33