Atop the central booster element is an interstage cylinder, which includes booster separation motors and a newly designed forward adapter that mates the first stage with the Earth Departure Stage.
英
美
- 老实说,在今天的地球上,在未来十五年内能够在载人航天方面取得突破的除了欧洲空间局之外恐怕再没有第二个;