Graduation Observation Defense Secretary Jim Mattis attends a Marine Corps basic training graduation during a visit to Marine Corps Recruit Depot, San Diego, Nov. 17, 2017. DoD photo by Army Sgt. Amber I. Smith SHARE IMAGE: Download Image: Full Size (1.51 MB) Photo By: Amber I. Smith VIRIN: 171117-D-SV709-0619M.JPG Photo Gallery