330-PS-6057 (USN 708965):  Approximately one hundred Reserve Officer Candidates from the Naval Training Center at Bainbridge spell out “R O C” (Reserve Officer Candidates) during one of their many summer visits to local points of interest.   On this occasion, to historic Fort McHenry, Baltimore, Maryland.   In the center of the “O” is Commander Marguerite A. Mahar, USNR, Officer in Charge, Reserve Officer Candidate School, September 1, 1953.  (4/21/2015).
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/127906254@N06">National Museum of the U.S. Navy</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/127906254@N06/17234047235/">330-PS-6057 (USN 708965)</a>