170422-N-ZZ999-312 SAN DIEGO (April 22, 2017) Lt. Vienna Katana instructs a student from Loma Verde Elementary School during a ‘Saturday Scholars’ program visit to Surface Warfare Medical Institute. The program takes place over five consecutive Saturdays for four hours at a time and is designed to harness the creative flair of the young minds and encourage independent thinking. (U.S. Navy photos by Hospital Corpsman 1st Class Jermia Douglas/Released)