Marines with Marine Rotational Force Darwin run with logs over their shoulders alongside infantry platoons from the Tongan Defence Service and the French Armed Forces New Caledonia during a log-run competition as part of Exercise Tafakula 2013 at Taliai Military Camp, Kingdom of Tonga, Sept. 2, 2013. The purpose of the exercise is to enhance interoperability and improve U.S. military-to-military relations with the Tongan Defence Service and the French Armed Forces New Caledonia.(U.S. Marine Corps photo by Lance Cpl. Nathan Knapke) - Marines with Marine Rotational Force Darwin run with logs over their shoulders alongside infantry platoons from the Tongan Defence Service and the French Armed Forces New Caledonia during a log-run competition as part of Exercise Tafakula 2013 at Taliai Military Camp, Kingdom of Tonga, Sept. 2, 2013. The purpose of the exercise is to enhance interoperability and improve U.S. military-to-military relations with the Tongan Defence Service and the French Armed Forces New Caledonia.(U.S. Marine Corps photo by Lance Cpl. Nathan Knapke)