Yes. It was the Mars Climate Orbiter in 1999. The problem is not the metric system OR the English system. It is the fact that both are being used at the same time.

I work at NASA, and we use the metric system ... most of the time.

My cat does not like riding in cars.

That’s so it doesn’t get the tachometer pregnant.

Put the 7 speed manual in it and I will have to sell my house.