To this day, the most powerful rocket in US history remains the F-1 rocket. This was the rocket used to propel the Apollo moon missions. But today, American rocket engineers are incapable of reproducing the F-1. They remarkably lack the skills and know-how to match earlier achievements from generations ago.
https://www.revolver.news/2021/09/james-webb-space-telescope-hubble-replacement-14-years-late/
NASA says they lost it all. Can't seem to find it.
No drawings, calculations, original photos, or video footage.
All 7 Apollo missions. Greatest achievement in human history.
Gone.
That's their official position.