On March 16, 1968, during the My Lai Massacre, Chief Warrant Officer Hugh Thompson blocked fellow U.S. troops with his helicopter, had his crew train machine guns on them, and rescued a group of civilian Vietnamese villagers hiding in a bunker. His actions led to an end to the brutal massacre.
Learn more from this ballad by David Rovics.
A related new book is Kill Anything That Moves: The Real American War in Vietnam by Nick Turse that documents (tragically) that My Lai was not a rare event. Learn more from this Democracy Now! broadcast.