No, but the US as the global superpower is most threatened by the appearance of a superior authority, so they have the most interest in creating a counterintell

No, but the US as the global superpower is most threatened by the appearance of a superior authority, so they have the most interest in creating a counterintelligence campaign about the topic, hence why the US seems obsessed with creating UFO info (and disinfo). But there's actually a lot from other countries, if you look into it. But you do have to research it, and you might not want to, leaving you with the impression you currently have! Ha ha ha :)