... the irony is that NASA SLS is screaming very loud
"I'm the shuttle-derived HLV needed for Mars Direct !
I am the very rocket described by Zubrin in The Case for Mars 25 years ago !
The one every single Mars Society convention dreamed about to get their Mars architecture going !"
Congress funded me and loves me, I won't be cancelled any time soon !
"And by the way, I have too few missions on my flight manifest. Which makes me too expensive to fly. GIVE ME MARS DIRECT I CAN DO IT PLEASE ! I'M THE RIGHT ROCKET FOR THE JOB !!!"
And, well... nobody cares. Nobody listens to the poor SLS screaming alone in the desert. Not even Zubrin himself, who betray Mars direct... for a lunar architecture !
Actually Zubrin first Mars Direct proposal, feature also a Lunar Direct option
as low cost exploration of Moon by handful big rockets
Now thanks to SpaceX Falcon Heavy, we have better low cost alternative to get to Moon "Lunar Direct"
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