(written from a Production point of view)
On December 17, 1979, Barrett set the land speed record at Edwards Air Force Base in California, achieving a velocity of 739.666 mph and breaking the sound barrier. However, this was an unofficial record attained without sanction of the USAF.
He may be the first Star Trek performer to have had any sort of connection with NASCAR. For besides the fact that his son is a NASCAR driver, he and actor Burt Reynolds co-owned a team for which Harry Gant was the driver.
Stan is not related to Majel Barrett.