Secretary Austin says women in the military 'make us better'

Defense Secretary Lloyd Austin called women in the military a strong asset in an exclusive interview with NBC News' Courtney Kube. Austin also said military women "make us stronger" and "better." For more on this story, tune in to NBC Nightly News with Lester Holt tonight at 6:30 p.m. ET/5:30 p.m. CT.