July 2021: Arctic vehicle, mobile nuclear reactor and Navy barnacle prevention

<p>In this episode, National Defense takes a look at the Army’s new cold weather vehicle, the Pentagon’s portable nuclear reactor program, and the Navy’s war on barnacles.</p> <p><img src= "https://assets.libsyn.com/secure/show/22834/Libsyn_thumbnailchina.jpg" alt="" width="406" height="406" /></p>