`  ::::::It's not necessarily irrelevant which measurement system an organisation uses; it seems somewhat contradictory to argue that the article should use US Customary units because US organisations don't use the metric system, even if the organisation in question does actually use the metric system. But I agree that the MOS guideline could be clearer on what ``scientific`` means – it honestly never occurred to me that anyone would consider an article about NASA not to be ``scientific``, so there is some vagueness there.   `