Secretary of Defense Leon Panetta speaks during a joint press conference with Secretary of State Hillary Clinton, Australian Foreign Minister Kevin Rudd and Australian Minister of Defense Stephen Smith, at the U.S.-Australia Ministerial talks at the Presidio in San Francisco, Calif., on Sept. 15, 2011. The delegation is meeting to discuss areas of mutual interests and to celebrate the 60th anniversary of the ANZUS Treaty, signed in 1951 by Australia, New Zealand and the United States.