More than 400 students of the Naval Postgraduate School (NPS) earned degrees this summer quarter including nine doctoral graduates. The ceremony's keynote speaker offered another unique aspect to the class. Vice Adm. Mark I. Fox, Deputy Chief of Naval Operations for Operations, Plans and Strategy (N3/N5), was not only the ceremony's premier speaker, he was also a proud parent with his own son, Lt. Collin R. Fox, a member of this quarter's graduating class completing a master's degree in system analysis. Vice Adm. Mark I. "I'm delighted to speak at the Naval Postgraduate School graduation ceremony ... I had originally planned to attend the event only as a proud dad…