John Roos, the new U.S. ambassador to Japan, waves to journalists Aug. 19 after his arrival at Narita Airport, outside Tokyo. The new ruling party, the Democratic Party of Japan, has traditionally opposed what it calls Japan's subservience to the United States and criticized the U.S. military presence in the country. Toru Yamanaka/AFP/Getty Images hide caption

itoggle caption Toru Yamanaka/AFP/Getty Images