Photos

Cpl. Alex C. Vincent, a combat engineer with Alpha Company, 7th Engineer Support Battalion, Combat Logistics Regiment 1, 1st Marine Logistics Group, guides a drill bit at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Oct. 15. The range improvement was part of a larger battalion-sized exercise, where 7th ESB is training in Twentynine Palms and Camp Pendleton.