http://www.huffingtonpost.com/2012/07/23/sally-ride-first-am...
Unfortunate she felt she had to keep it to herself her whole life.
At the time she was applying, it might have disqualified her, security clearances weren't given since it was felt gays were exposed to blackmail. Plus Reagan era officials might not have viewed it as great PR.
[edit] Also a shame her partner of 27 years doesn't get the privileges of a spouse.