日本希望在2022年前用载人飞船或小型航天飞机送宇航员上天,并着眼于在更长远的未来发展点到点的亚轨道运输系统。日本宇宙航空研究开发机构(JAXA)官员在10月份在意大利那不勒斯举行的第63届国际宇航联大会上介绍该局载人航天方案时说,这种飞船或小型航天飞机可乘坐3人,并可携带重达400公斤货 Japan hopes to send astronauts to space by manned spacecraft or small spacecraft by 2022 and look to the point-by-point suborbital transport system in the longer term. In a presentation at the 63rd IAF Conference in Naples, Italy, in October, officials of the Japan Aerospace Exploration Agency (JAXA) introduced the manned space program of the agency, saying that the spacecraft or small space shuttle could take three people and could Carry weight 400 kg