Easy answer. Far less money is being given today to NASA:
Further, that NASA budget includes all the extra planetary science happening (multiple Mars rovers, Deep Space network, LEO space station operations, deep space probes like DART, Juno, OSIRIS-REx, etc, plus all of the atmospheric flight stuff like the low noise supersonic flight experiments. This also includes all of SLS which is a SECOND rocket being made for Moon exploration.
To answer your second question: yes, reuse is worth it. We didn’t do it during Apollo because it would have been even more expensive. Because we didn’t have it, any flight was just as expensive as the first. So we had to stop going unless the crazy amount of money would stay, which it wouldn’t.
Easy answer. Far less money is being given today to NASA:
Further, that NASA budget includes all the extra planetary science happening (multiple Mars rovers, Deep Space network, LEO space station operations, deep space probes like DART, Juno, OSIRIS-REx, etc, plus all of the atmospheric flight stuff like the low noise supersonic flight experiments. This also includes all of SLS which is a SECOND rocket being made for Moon exploration.
To answer your second question: yes, reuse is worth it. We didn’t do it during Apollo because it would have been even more expensive. Because we didn’t have it, any flight was just as expensive as the first. So we had to stop going unless the crazy amount of money would stay, which it wouldn’t.
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NASA was also different in 1960’s.
People said they could have meeting with supplies and make changes in the meeting. Now it seems like everything is a huge ballache to change anything.