** FILE ** A Japan Coast Guard patrol boat, left, blocks a leftist demonstrators' boat which tries to approach the 8,100-ton Japan Maritime Self-Defense Force (JMSDF) supply ship Hamana, back, on her departure along with two other JMSDF vessels from Sasebo port, southwestern Japan, after the government decided on the day before to send the Japanese warships to the Indian Ocean to obtain data in preparation for participating in support of the U.S.-led war against terrorism in this Nov. 9, 2001 file photo. Any interruptions to Japan's support for anti-terror efforts by coalition forces in Afghanistan would be "harmful" to international interests, a top U.S. Deputy Secretary of State John Negroponte told reporters in Tokyo Friday, Aug. 3, 2007. (AP Photo/Katsumi Kasahara, File)