‘The tale said that President Johnson was supposed to name the Blackbird the “RS-71” and that he confused the letters, reversed them, and said “SR-71”’

Turns out in this case the stenographer was muddled

https://theaviationgeekclub.com/sr-71-or-rs-71-how-the-legen...

why are russians always picking some latin name for their projects?

Sphere and ether are greek words.