Women In National Security Push To Move Beyond 'The First' And 'The Only'

In her 30 years as a U.S. diplomat, Gina Abercrombie-Winstanley served as ambassador to Malta, monitored elections in Gaza, led a diplomatic mission in Saudi Arabia, expanded counterterrorism partnerships and oversaw a mass evacuation of Americans from a war zone.

But no matter how many postings she racked up, Abercrombie-Winstanley said, she often saw shock spread across the faces of men when she walked into rooms for high-level meetings.

"Sometimes it's as obvious as a head jerk," she said. "There would be a physical reaction of skepticism."