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Eric Burger has been against SLS for like 15 years, it’s his whole schtick. Loves making points about how expensive it is, about how late it was, and that it means NASA can’t design rockets anymore. Never talks the other side - how Congress hamstrung the design, how it was consistently under-funded, and how it was shackled to Boeing at the same time that the entire company hit the skids.
SLS was forced to be a Frankenstein rocket slash jobs program by legislative fiat. Of course it’s not sustainable in a financially-constrained environment - it was designed to spread money and jobs just as much as it was designed to deliver payloads.
It’s still the only thing that can put an Orion vehicle in orbit, and Orion is the only vehicle we’ve got today that can get crew off the earth and to lunar orbit, and Artemis I was a masterpiece launch of a first-build rocket.
Another SLS hit piece from Ars Technica isn’t news, it’s just noise.
The Starship concept of operations requires 11 launches for each mission to the moon - one for the vehicle, another 10 to refuel it once it get into earth orbit. Each of these missions have to autonomously dock and perform a cryogenic fuel transfer.
Nobody, and I mean nobody, has shown an operationally-viable in-space cryo transfer. Even doing it on Earth is a fussy thing - cryo transfer was behind two of the Artemis I scrubs, and NASA’s been doing it since Apollo.
Getting one Starship into orbit is an interesting milestone but it’s a long way from what they promised the world they could do… and the clock is ticking.