The Naval Postgraduate School President Vice Adm. Ann Rondeau (Ret.) introduces Secretary of the Navy Carlos Del Toro for a Secretary of the Navy Guest Lecture (SGL) at the Naval Postgraduate School (NPS), about lifelong learning Aug. 18, 2022. The SGL series exposes students, faculty and staff to prominent speakers, recognized as distinguished leaders in their fields of expertise. (U.S. Navy photo by Mass Communication Specialist 2nd Class Lenny Weston)