Eric Berger
@SciGuySpace · 9. Nov. 2019
The remarkable thing is that over its lifetime, the "full stack" cost of STS plus development was 1.5 billion per mission. SLS/Orion will end up being at least ~3 times that if the rocket makes 10 flights. Costs are going in the wrong direction.
Elon Musk
@elonmusk
Without a fully & rapidly reusable orbital rocket, humanity will never be a multiplanet species
00:40 · 10. November 2019 · 0 Aufrufe
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