MARINE CORPS BASE HAWAII - Lance Cpl. Harley Matthews, a combat engineer with Combat Logistics Battalion 3 hurls a rock during the open stone put challenge, March 15, 2013. The combat engineers participated in several Highland events as well as traditional games using combat engineer’s equipment. (U.S. Marine Corps photo by Christine Cabalo) - MARINE CORPS BASE HAWAII - Lance Cpl. Harley Matthews, a combat engineer with Combat Logistics Battalion 3 hurls a rock during the open stone put challenge, March 15, 2013. The combat engineers participated in several Highland events as well as traditional games using combat engineer’s equipment. (U.S. Marine Corps photo by Christine Cabalo)