From left, Navy Lt. Jessica Snyder, audiologist, and Celene Moorer, assistive technologist, of the National Intrepid Center of Excellence in Bethesda, Md., attempt to catapult themselves over an obstacle course apparatus during their day of boot camp at Parris Island. DOD photo by Terri Moon Cronk From left, Navy Lt. Jessica Snyder, audiologist, and Celene Moorer, assistive technologist, of the National Intrepid Center of Excellence in Bethesda, Md., attempt to catapult themselves over an obstacle course apparatus during their day of boot camp at Parris Island. DOD photo by Terri Moon Cronk SHARE: Download: Full Size (1.19 MB) Credit: VIRIN: 103789-V-MGP55-152.jpg Photo Gallery