COL <b>Richard D. Clarke</b>, U.S. Army, Commanding Officer of the <a href="https://en.wikipedia.org/wiki/75th_Ranger_Regiment_(United_States)" class="extiw" title="en:75th Ranger Regiment (United States)">75th Ranger Regiment</a>.
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external text" href="http://news.soc.mil/factsheets/Clarke%20Final.pdf">Biographical Sketch, 75th Ranger Regiment</a>