March 16, 1968 - U.S. troops in South Vietnam killed 504 Vietnamese civilians at My Lai, a pair of hamlets in the coastal lowlands of Quang Ngai Province. The victims were from 247 families, completely eliminating 24 of them, three generations with no survivors. Among the dead were 182 women, 17 of them pregnant, and 173 children, including 56 infants, and 60 older men.

Lt. William L. Calley, Jr. commanded the men of Charlie Company, First Battalion, America l Division, and was the only one tried out of 80 involved in what is called the My Lai Massacre. The Army, including a young Major Colin Powell, at first tried to cover it up and the media resisted reporting it.

Some of Calley's soldiers refused to participate, but only 24-year-old helicopter pilot Hugh Thompson and his crew stopped it by putting themselves between the villagers and the troops pursuing them.

Chief My Lai prosecutor William Eckhardt described how Thompson responded to what he found when he put his helicopter down: "[Thompson] put his guns on Americans, said he would shoot them if they shot another Vietnamese, had his people wade in the ditch in gore to their knees, to their hips, took out children, took them to the hospital...flew back [to headquarters], standing in front of people, tears rolling down his cheeks, pounding on the table saying, 'Notice, notice, notice'...then had the courage to testify time after time after time."

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