宇宙フロンティアをめざす有人宇宙活動の過去、現在、未来

摘要

Human space activities were started in 1957, as the first man-made satellite, Sputniks. Thereafter the space developmentrace has been deployed with the Cold War. In 1990s, however, this situation was drastically changed by the collapse ofSoviet Union. After that, Russia decided to join the International Space Station project. This means the end of the ColdWar. In 2004, George Bush announced the U.S. New Space Policy. Other nations including Japan were compelled torespond to the Policy and started discussion on their own long-term policy. In 2005, JAXA issued JAXA’s Vision2025 todiscuss on Japan’s Long Term Policy Space development in the Space Activities Commission of Japanese government.Currently JAXA is continuing in-house discussion on detailed implementation plan of the vision. This paper is intendedto introduce the worldwide discussion around the U.S. New Space Policy focusing on JAXA’s future plan and also newlyemerging trend.