the agency received a certificate on june 2nd, recognizing hayabusa's achievement. junichiro kawaguchi, a professor at jaxa and leader of the project says he hopes this will resu in more people knowing about the spacecraft. >>> as we go to our bureau in bangkok, we have the latest on what's going on in the region. >> greetings from the tha capital. vietnam launched a drill on monday amidst tension with china over disputed islands in the south china sea. maria motta reports from hanoi. >> vietnam's defense ministry said the navy began the live fire exercise inaters off central guang nan province. vietnam and china have been engaged in a dispute in the islands in the south china sea. in late may vietnam accused china of disrupting fishing. in the vietnamese capital hanoi about 150 people gathered outside the chinese embassy sunday to support sovereignty over the islands. >> translator: like all vietnamese from the authorities to the people, we strongly protest against chinese actions that violate the sovereignty of vietnam's sea territory. >> reporter: demonstrations