The Special Assistant to the Director for Military Affairs serves as the Director's principal advisor on military matters and the professional management of ACDA's military detailees. This office represents the ACDA Director to the Office of the Secretary of Defense and the Joint Chiefs of Staff and serves as ACDA's focal point for military-to-military contacts. ACDA's Senior Military Officer commands the assigned military detailees and works with the Special Assistant regarding the service member's unique administrative, personnel, and career development requirements. As required, the Senior Military Officer and/or the Special Assistant for Military Affairs participates in senior policymaking groups to provide a military perspective on worldwide arms control and nonproliferation matters, and to assess their potential contributions to the national security of the United States.