We learn both systems in engineering, but mainly we use the SI system. With so many endeavors using multiple countries nowadays, it makes sense to pick one system. During the 60’s, we were way less globalized.
I knew about the Mars probe incident. Just as we picked Zulu time for standardization, to eliminate errors.
during the 60’s we had American exceptionalism....and we went to the moon....who else landed men on the moon???
let them change to OUR system the way pilots around the world must speak english...screw the rest of the world....Globalization is for losers.