The Honorable Robert O'Brien, U.S. National Security Adviser

Fox News’ Bill Hemmer and National Security Adviser Robert O’Brien host the closing session of the 7th annual Reagan National Defense Forum.

U.S. Secretary of Defense Dr. Mark T. Esper delivers the keynote address at the 7th annual Reagan National Defense Forum.

American internet and aerospace entrepreneur Jeff Bezos addresses the health of our national defense at the 7th Annual Reagan National Defense Forum.

Fox News’ National Security Correspondent Jennifer Griffin is joined by a panel of experts to address the health of our national defense and promote policies to strengthen the U.S. military.