Rear Adm. (upper half) David R. Callahan
U.S. Coast Guard
before 3 September 2015 <div style="display: none;">date QS:P,+2015-09-03T00:00:00Z/7,P1326,+2015-09-03T00:00:00Z/11</div>
<a rel="nofollow" class="external text" href="https://www.dcms.uscg.mil/Portals/10/senior_leaders/bio/DavidCallahan.pdf">Rear Admiral David R. Callahan</a>