美国侦察卫星已发现苏联正在提尤腊塔姆发射场修建大型跑道。这种跑道是为了使苏联目前正在研制的可重复使用的带翼载人飞行器便于在此水平降落。这种用一次使用运载火箭发射,但又可重复使用的带翼飞行器是苏联航天飞机计划的第一阶段,在它初步投入使用后, US reconnaissance satellites have found that the Soviet Union is building a large runway at the Yeoltamu launch site. This runway was designed to make it easy for the reusable winged manned aircraft being developed by the Soviet Union to land at this level. This first-use, but reusable, winged aircraft, launched on a single-use launch vehicle, is the first phase of the Soviet space shuttle program. After it is initially operational,