FILE - In this Saturday, March 15, 2008 file photo, My Lai Massacre survivor Do Ba, 48, left, stands with former U.S. Army officer Lawrence Colburn, 58, right, who rescued him during the March 16, 1968 My Lai massacre, during the 40th anniversary of the incident in My Lai, Quang Ngai Province, Vietnam. Colburn, the helicopter gunner who helped end the slaughter of hundreds of unarmed Vietnamese villagers by American troops during the Vietnam War, died on Tuesday, Dec. 13, 2016. He was 67.