# My Lai Massacre (March 16, 1968)
The My Lai Massacre was the mass murder of several hundred unarmed Vietnamese civilians — women, children, infants, and old men — by U.S. Army soldiers of the Americal Division on March 16, 1968. It is the defining atrocity of the [[Vietnam War]] and one of the most consequential war crimes in American military history. For the vault it matters chiefly through its long shadow over [[Colin Powell]], who as a young major was drawn into the Army's early efforts to deflect allegations of misconduct in the same division.
## The Massacre
Soldiers of Charlie Company, expecting to find Viet Cong fighters, instead entered an undefended hamlet and methodically executed its inhabitants over several hours. Lieutenant [[William Calley]] was reported to have herded dozens of villagers, including young children, into a ditch and shot them. Not a single shot was fired at the Americans. The killing was halted in part by a helicopter crew, led by warrant officer Hugh Thompson, who landed between the soldiers and the surviving villagers and threatened to open fire on his own side.
## The Cover-Up and Powell's Role
The Army suppressed the atrocity for over a year. The first official hint came in a 1968 letter from a soldier named Tom Glen, alleging widespread brutality toward Vietnamese civilians by American troops in the division. The task of drafting the division's response fell to a young, ambitious major — [[Colin Powell]]. Powell's reply dismissed the allegations, asserting that relations between American soldiers and the Vietnamese were excellent, and he never interviewed Glen. The massacre was ultimately exposed in 1969 by investigative journalist [[Seymour Hersh]], acting on tips from veteran Ronald Ridenhour. Critics have long pointed to Powell's response as an early instance of a recurring pattern — institutional loyalty overriding uncomfortable truth — that they revisited decades later in light of the [[Powell UN Presentation]].
## Accountability
Of the soldiers and officers implicated, only Calley was convicted, found guilty of murdering at least 20 civilians and sentenced to life imprisonment. President [[Richard Nixon]] intervened almost immediately, and Calley ultimately served about three years under house arrest. The near-total absence of accountability — for the killings and for the cover-up — made My Lai a permanent symbol of impunity in wartime, and a touchstone for every later debate about American atrocities, from Abu Ghraib onward.
## See Also
- [[Vietnam War]]
- [[Colin Powell]]
- [[Powell UN Presentation]]