Sapper Savvy Marine Corps Lance Cpl. Timothy Ochoa watches over a simulated detainee during the Sappers Leadership Competition at Camp Pendleton, Calif., June 5, 2019. The competition determines the most proficient combat engineering unit in the Marine Corps. SHARE: Download: Full Size (1.95 MB) Tags: training, Marine Corps Credit: Marine Corps Lance Cpl. Alexa Hernandez VIRIN: 190605-M-VO343-1298.JPG Photo Gallery