Lance Cpl. Tyler G. Dearman swings an axe while removing a tree stump to clear a route for an endurance course Oct. 1 at Camp Hansen. The three-mile course is intended to challenge Marines’ physical and mental fitness, and offer a new venue for training. Dearman is a combat engineer with 9th Engineer Support Battalion, 3rd Marine Logistics Group, III Marine Expeditionary Force. - Lance Cpl. Tyler G. Dearman swings an axe while removing a tree stump to clear a route for an endurance course Oct. 1 at Camp Hansen. The three-mile course is intended to challenge Marines’ physical and mental fitness, and offer a new venue for training. Dearman is a combat engineer with 9th Engineer Support Battalion, 3rd Marine Logistics Group, III Marine Expeditionary Force.