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Spddin t1_je9oqjy wrote

Old technology is also often practical. James Webb was delayed because of all the new technology that had to be worked out and same often happens with advanced military hardware like the F35 or the Zumwalt class destroyers.


wgp3 t1_jea29ga wrote

But SLS also took twice as long as planned to reach first launch and twice as much money as planned. So we get no cutting edge technology and all of the same cost issues that come with new technology.