"A quarter of a century after Lt Uhura boldly went where no African American had gone before, her protogee returned the favor. Before blasting into orbit aboard the Endeavour in 1992, Dr Mae Jemison, the first woman of color in space, called actress Nichelle Nichols to thank her for the inspiration. And then she made a promise.
Despite NASA’s rigid protocol, Jemison would begin each shift with a salute that only a Trekkie could appreciate. “Hailing frequencies open,” she could be heard repeating throughout the eight day mission.”