NASA and the US Gov made the decision to fill a strategic gap the only way they knew how (and the way that had worked in the past). Now, other options are emerging, but not available and certainly not certified.
NASA and the US Gov made the decision to fill a strategic gap the only way they knew how (and the way that had worked in the past). Now, other options are emerging, but not available and certainly not certified.
https://en.wikipedia.org/wiki/Big_dumb_booster
One of the tragedies of the Shuttle program was that it was pursued instead of this. Simply cost optimizing and evolving the Saturn 1B could have led to something a lot like the Falcon 9 (perhaps not with the reusability, at least at first), years before SpaceX.
At a fundamental level, industry responds to price incentives and government responds to political incentives.
The real reason why everyone expected the commercial crew program to turn into big contractor grift is because they saw the same story play out 100 times before and 100 of those times the big contractors found a way to capture the money and send the project into development hell. The 101st time was different.
* Boeing did not yet deliver commercial crew. * Antares rocket did not expand beyond ISS delivery. * Blue Origin is not yet flying, despite immense funding. * Virgin Galactic did not yet fly any customers.
The other great space launch success in the last decade was RocketLab but they're far too small to be relevant to SLS.