NHK WORLD EnglishJapan's HTV cargo transporter orbiting Earth Japan's first unmanned cargo spacecraft is now orbiting the Earth at an altitude of about 300 kilometers. The H-2 Transfer Vehicle, or HTV, was launched from southern Japan early Friday on its first mission to the International Space Station. An H-2B rocket carrying the HTV blasted off from the Tanegashima Space Center shortly after 2 AM local time. The
