Corps Course Marine Corps drill sergeants guide participants in Joint Civilian Orientation Conference 91 through exercises on an obstacle course at Marine Corps Recruit Depot, San Diego, June 28, 2019, the last day of the conference. JCOC participants went through an obstacle course, flew in MV-22 Ospreys and fired live weapons. JCOC is the Defense Department’s oldest and most prestigious public liaison program. Established in 1948, it is the only secretary of defense-sponsored outreach program that enables American business and community leaders to have a full immersive experience with their military. SHARE IMAGE: Download Image: Full Size (1.25 MB) Tags: jcoc, marine corps Photo By: DOD VIRIN: 190628-D-ZZ999-111.JPG Photo Gallery