A ceremony marking the 50th anniversary of the 1976 Panmunjeom Axe Murder Incident is held at Camp Bonifas in Paju, Gyeonggi Province, Tuesday. U.S. Army Capt. Arthur Bonifas and 1st Lt. Mark Barrett were killed by North Korean soldiers on Aug. 18, 1976, while supervising a tree-trimming operation in the Joint Security Area. Joint Press Corps