April 2020: Counter drone tech, healing the helicopter industrial base, and the progress on Columbia-class subs

<p><span style="font-weight: 400;"><img src= "https://assets.libsyn.com/secure/show/22834/Libsyn_thumbnail.jpg" alt="" width="422" height="422" /></span></p> <p><span style="font-weight: 400;">In this month's episode,</span> <em><span style="font-weight: 400;">National Defense</span></em> <span style="font-weight: 400;">takes a look at how the Pentagon is countering rogue drone threats, how the military helicopter industrial base is faring and supply chain  challenges for the Navy’s Columbia-class submarine. </span></p>