Obstacle Course Marine Corps Sgts. Rishab Kohli and Logan Bowes give an obstacle course demonstration at Camp Hansen in Okinawa, Japan, Aug. 20, 2019. The course prepares Marines to be martial arts instructors for their units. SHARE IMAGE: Download Image: Full Size (0.89 MB) Tags: Marines Photo By: Marine Corps Lance Cpl. Karis Mattingly VIRIN: 190820-M-TS451-0452C.JPG Photo Gallery