Find what, you ask? Oh I don't know. SPACE maybe. Or any satellite showing the curvature of Earth. This shit has been known before the existence of the USA, let alone NASA. You just buy into this flat earth nonsense, because you think it's another way to make yourself seem cool for defying authority.
Here's a better idea; If the earth is supposedly so flat, why don't you tell us where the ends of the earth are. I've love to hear that from you people.