"To date, Cheifet said, NASA had flown more than 300 space missions, and all that research led to tons of data–in fact, over 125,000 computer tapes. The current size of the NASA database was 6 TB. And the size of that database was expected to double every two years."

Even in 1989, only #NASA could reasonably afford 6 TB of hard drive space.

https://www.computerchronicles.blog/computer-chronicles-revisited-135-nasas-ames-research-center-and-goddard-space-flight-center/