这次太空飞行将持续六个月。

This ___spaceflight will last for six months.

这家公司计划明年进行首次商业太空飞行。

This company plans its first commercial ___spaceflight next year.

他在一家从事太空飞行的公司担任工程师。

He works as an engineer at a company focused on ___spaceflight technology.