Some style guides distinguish between an acronym (Nasa, say the word as it's written) and initialism (ISS, say each letter)
What happens if there is disagreement about whether something is an acronym or initialism? For example, Europeans usually treat ESA as an acronym and US Americans as an initialism. I just searched the BBC and it is inconsistent, sometimes ESA, sometimes Esa. Perhaps representing their own uncertainty.
Yes, including the BBC’s: https://www.bbc.co.uk/newsstyleguide/all#:~:text=our%20style...