1994年2月4日7时20分,日本第一枚“H-2”宇宙火箭从种子岛宇宙中心,沿85°方位角升空。这枚火箭载有两颗卫星,是完全由日本技术制造的,迄今世界上能够制作如此大型火箭的国家只有美国、欧洲,俄国和中国,因此“H-2”的发射成功在日本航天史上不能不说是一件大事。据2月5日的日本新闻媒介报道,日本宇宙开发事业团已决定将探讨发射载 At 7:20 on February 4, 1994, Japan’s first “H-2” space rocket was launched from the center of the Seed Island Universe at an azimuth angle of 85°. The rocket contained two satellites and was entirely manufactured by Japanese technology. To date, the only countries in the world capable of producing such large rockets are the United States, Europe, Russia, and China. Therefore, the launch of the “H-2” cannot succeed in Japan’s space history. It’s not a big deal. According to a Japanese news media report on February 5, the Japan Space Development Corporation has decided to discuss the launch