Brief History
Detailed History of ISAS Rockets
Prof. Itokawa, "Father of Japanese Rocketry"

In April 12, 1955, a tiny rocket Pencil was horizontally test-launched at Kokubunji in the suburbs of Tokyo. This was Japan's first step toward its space efforts of today. The Pencil group was led by Prof. Hideo Itokawa, University of Tokyo, the so-called Father of Japanese Rocketry.


On October 1, 2003, the Institute of Space and Astronautical Science (ISAS) was integrated into the Japan Aerospace Exploration Agency (JAXA) and became the Space Science Research Division of JAXA. In this reorganization, the names of organizations and facilities were changed. In this website, the names of the organizations and facilities are provided as at the time of the release of the article.