
U.S. Secretary of the Navy Ray Mabus, left, and U.S. Secretary of Defense Leon Panetta, second from left, stand on the main stage at the beginning of the graduation ceremony held for the U.S. Naval Academy's class of 2012 at the Navy-Marine Corps Stadium, Annapolis, Md., Tuesday, May 29, 2012. (Andrew Harnik/The Washington Times)

U.S. Secretary of Defense Leon Panetta visits grave sites on Memorial Day at Arlington National Cemetery in Arlington, Va., Monday, May 28, 2012. (Rod Lamkey Jr/The Washington Times)

President Barack Obama, right, Defense Secretary Leon Panetta, center, and Chairman of the Joint Chiefs of Staff Gen. Martin Dempsey, stand during the singing of the National Anthem at the Memorial Day Observance at the Memorial Amphitheater at Arlington National Cemetery, Monday, May 28, 2012. (AP Photo/Charles Dharapak)

President Barack Obama, right, Defense Secretary Leon Panetta, center, and Chairman of the Joint Chiefs of Staff Gen. Martin Dempsey, stand during the singing of the National Anthem at the Memorial Day Observance at the Memorial Amphitheater at Arlington National Cemetery, Monday, May 28, 2012. (AP Photo/Charles Dharapak)

President Barack Obama, right, Defense Secretary Leon Panetta, center, and Chairman of the Joint Chiefs of Staff Gen. Martin Dempsey, stand during the singing of the National Anthem at the Memorial Day Observance at the Memorial Amphitheater at Arlington National Cemetery, Monday, May 28, 2012. (AP Photo/Charles Dharapak)

Defense Secretary Leon Panetta pauses on Tuesday, May 10, 2012, during a briefing at the Pentagon. (Associated Press)

Joint Chiefs Chairman Gen. Martin E. Dempsey (left), Secretary of State Hillary Rodham Clinton (center) and Defense Secretary Leon Panetta testify May 23, 2012, on Capitol Hill before the Senate Foreign Relations Committee hearing on the Law of the Sea Convention. (Associated Press)

Joint Chiefs Chairman Gen. Martin E. Dempsey (left), Secretary of State Hillary Rodham Clinton (center) and Defense Secretary Leon Panetta testify May 23, 2012, on Capitol Hill before the Senate Foreign Relations Committee hearing on the Law of the Sea Convention. (Associated Press)

Defense Secretary Leon Panetta pauses May 10, 2012, during a briefing at the Pentagon. (Associated Press)