Non-secretary women were not in short supply at NASA at this time though. The work of Virginia E. Morrell and Bonnie J. McBride a few years earlier, at this same research center springs to mind.
(With the few and obvious exceptions such as Dame Vera Stephanie "Steve" Shirley's ventures)
FWiW I learnt a wee bit from Cheryl Praeger, Cathleen Morawetz, Robyn Owens, et al.