He followed orders to shoot innocent women and children during the May Lai massacre, as he feared he would get shot if he questioned said orders. A witness said that he cried while shooting at the crowd. Here is part of the interview:
Calley and Meadlo were firing at the people. They were firing into the hole. I saw Meadlo firing into the hole. Q: Well, tell me, what was so remarkable about Meadlo that made you remember him?
A: He was firing and crying.
Q: He was pointing his weapon away from you and then you saw tears in his eyes?
A: Yes. -Private First Class Robert Maples,
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Q who was the victor of the Vietnam war? A I have no idea who won the Vietnam war!!!!
No, the Vietnam War was in Vietnam
A military officer that fought in the Vietnam War. A Vietnam War soldier would be a "soldier that fought in the Vietnam War.
If he was a casualty, his name will be on the wall. If he's still present, ask him.
See: Vietnam War Timeline