美空军副司令爱德华·C·奥尔德里奇最近在国会讲,无论是航天飞机还是一次性使用的运载工具,都要从国家安全角度出发,从长考虑。他强调美国对空间运输工具的基本要求是在和平、危机和冲突情况下保证发射能力。即需要一个互相补充的发射系统,双管齐下,以防止由于预想不到的技术和操 US Air Force Deputy Commander Edward C. Aldrich recently told Congress that whether it is a space shuttle or a one-time use of vehicles, we must proceed from the national security point of view, from the consideration. He emphasized that the basic requirement of the United States for space transportation means that it should ensure its launch capability in peace, crisis and conflict situations. That is, the need for a mutually complementary launch system, a two-pronged approach to prevent unexpected technical and operational