To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Share Embed Share URL Video File Node URL Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://www.mrctv.org/embed/166871" allowfullscreen></iframe> Defense Secretary Ash Carter announced Thursday that the U.S. will allow transgender people to serve openly in the military.