startrek.com disagrees:
In the Star Trek universe, the delta emblem is a direct descendant of the vector component of the old NASA (and later UESPA) logos in use during Earth’s space programs of the 20th and 21st Centuries. Those symbols were worn by some of the first space explorers and adorned uniforms and ships during humanity’s first steps into the final frontier.
https://www.startrek.com/article/starfleet-insignia-explained
