航天飞机是一种可重复使用的,往返于地球和近地轨道之间运送有效荷载的飞行器,因此也被称作空间运输系统(STS),它们每次飞行的代号就由STS加序号组成。美国哥伦比亚号是人类第一架成功实现近地轨道飞行的航天飞机,因此在航天进程中起了开创性作用,1981年美国为显示其空间成就发行的异图八方连邮票上,中间4图就分别描绘了它 The space shuttle is a reusable aircraft that transports payloads between the Earth and NEO. It is also known as the Space Transport System (STS), and its designation for each flight consists of an STS plus a serial number. The U.S. Columbia was the first human space shuttle to successfully achieve orbit in orbit and therefore played a pioneering role in the process of spaceflight. On the map of the United States in 1981, for the display of its space achievements, Painted it separately