Vice Director for Strategic Plans and Policy for the Joint Chiefs of Staff Rear Adm. William D. Sullivan, U.S. Navy, (left) and Under Secretary of Defense for Policy Douglas J. Feith listen to a reporter's question during their briefing on National Defense Strategy and National Military Strategy in the Pentagon on March 18, 2005. Feith states that these strategies outline an active, layered approach to the defense of the nation and its interests.