Don&#x27;t worry about the &#x27;Murrica. I&#x27;m sure he&#x27;s from one of those &#x27;Urop startups we&#x27;re hearing so much about....<p>:^)<p>On topic I&#x27;m pretty sure NASA uses metric units, after they had that one launch in the 90&#x27;s that messed up do to a conversion error between metric and imperial.