[pezezin]

> NASA did this using customary units

The Apollo Guidance Computer performed all internal calculations in SI units, and only converted to US customary units for display:

https://ukma.org.uk/why-metric/myths/metric-internationally/...

[ahmeneeroe-v2]

yes, I know and surely you understand that the on-board computer was just one part of many in a years-long program that got men onto the moon