The idea is to gain valuable near-term flight experience before attempting a moon landing with astronauts on board. With Artemis III under its belt, NASA hopes to launch two moon landing missions in 2028, Artemis IV and V, using one or both landers, and to continue with one moonshot per year thereafter.
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"It is important that the taskforce is established as soon as possible," said Welsh, "because without it we don't have that driving force [and] those big, bold policies."，推荐阅读Line官方版本下载获取更多信息
新华社北京2月25日电 （记者董雪）2月25日下午，国家主席习近平在北京钓鱼台国宾馆会见来华进行正式访问的德国总理默茨。
文 | 伯虎财经，作者 | 楷楷