NASA has been quietly taking Shuttle documentation offline. The Columbia STS-107 FMEA/CIL files aren't even on the Wayback Machine.
Same pattern as Apollo: the F-1 blueprints survive, the people who knew how to build it don't.
11 years at KSC on the Main Propulsion System, and I kept copies. 2,004 documents, images and launch voice tapes on the Internet Archive, and at Zenodo with a DOI and per-file checksums:
gandalfddi.github.io/shuttle.html
#SpaceShuttle #NASA #SpaceHistory #DigitalPreservation #Space