Corporal Justin Goodwin, a chemical, biological,

Corporal Justin Goodwin, a chemical, biological, radiological, nuclear defense specialist with 1st Marine Division operates a Micro Tactical Ground Robot aboard Marine Corps Base Camp Pendleton, Calif., Sept 18, 2015. The MTGR is a robotic tool used to identify Improvised Explosive Device threats around obstacles and in dangerous environments, while operators stand at a secure and safe distance away.