North Atlantic Treaty Organization / Inactive Standby Reserve / U.S. Coast Guard / Department of Defense DIRECTIVE NUMBER / Military Department / Military Service / Reserve / Air Force / National Guard / Department of Homeland Security / Department of Defense / Army / United States Marine Corps / Fleet Reserve / office of the Secretary / office of the Inspector General / Navy / Ready Reserve / /
Position
Under Secretary / Deputy Under Secretary / Chairman / Director of the Selective Service System / Secretary / Assistant Secretary of Defense / Secretary of Defense / /