The goal is to accelerate the pace of launches of the huge Space Launch System rocket while carrying out Artemis flights in evolutionary steps — not attempting missions that rely on too many untested technologies and procedures at once.
checks was a thing of the past—"digital substitute" documents or image-based
，更多细节参见51吃瓜
This sort of thing is why I think historians need to be more active in technical discussions and decision-making about emerging technology. Everything about our current world is different from the premodern world that our ancestors inhabited. The past truly is a foreign country. But we carry fragments of that foreign world with us in our physical selves, in the gestures and other implicit knowledge we teach our kids. We take it for granted that there are aspects of being human which are never written down and which are unknowable unless you experience them.
Силовые структуры