Esper Visits Air Bases To Highlight Need For Nuclear Modernization

Watch VideoDefense Secretary Mark Esper is making his rounds at key U.S. air bases, in a push to emphasize the importance of nuclear deterrence and the need to modernize the U.S.'s nuclear arsenal.  

His tour takes him through Minot Air Force Base in North Dakota and Offutt Air Force Base in Nebraska. The sites are key to...