. "2"^^ . . . "In development" . . "5.2"^^ . . "63.0"^^ . "H3 Launch Vehicle is an expendable launch system in development in Japan. H3 rockets are liquid-propellant rockets with strap-on solid rocket boosters and are planned to be launched from the Tanegashima Space Center in Japan. Mitsubishi and JAXA have been primarily responsible for design, manufacture, and operation of H3."@en . "H3"@en .