The existence of an "A-to-Z of NASA Missions" archive suggests what about the total scope of NASA projects?

Answer

The total number of cataloged projects runs into the hundreds.

The depth of the agency's records, evidenced by comprehensive archives, indicates a vast scope of work, covering everything from the most recognized flagship endeavors to numerous smaller, less publicized research payloads.

The existence of an "A-to-Z of NASA Missions" archive suggests what about the total scope of NASA projects?
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