3 ms·

The Apollo program mostly used US customary units.

• gls2ro 3y ago
  Apollo used metric system when calculating and then transformed for displaying to imperial. source: https://space.stackexchange.com/questions/37607/why-did-nasa-use-u-s-customary-units https://space.stackexchange.com/questions/37607/why-did-nasa...
  • deleted 3y ago
    [deleted]
  • User23 3y ago
    For the guidance computer. There was a lot more to the program than one guidance computer. If you keep reading the very source that you yourself linked you’ll find that NASA generally used customary units. Hence my qualifier “mostly” in my entirely correct comment you replied to.