The Assistant Secretary of Defense (Public Affairs) is the principal staff advisor and assistant to the Secretary of Defense and Deputy Secretary of Defense for public information, internal information, community relations, information training, and audiovisual matters.

Assistant Secretary of Defense (Public Affairs) follows the Secretary's Principles of Information in providing defense department information to the public, the Congress and the media.

The Public Affairs Office sponsors DefenseLINK, which is the official web site of the Department of Defense and the starting point for finding U.S. military information online.

• DefenseLINK News: Official News Releases (Directorate for Press Operations)
• DefenseLINK News Photos (Directorate for Press Operations)
• Public Information Series (Directorate for Public Inquiry and Analysis)
• American Forces Information Service (a DoD Field Activity that provides information to the internal military audience)

See the Organization and Functions Guidebook for the (ASD/PA) official description .