, former navy nurse who was court-martialed for opposing the vietnam war, and longtime activist ron carverwho has organized an exhibit honoring the gi antiwar movement at the war remnants museum in ho chi minh city. i began by asking ron n carver about what happened d 50 years o today in my lai. >> well, 504 civilians, noncombatants, were mowed down by soldiers -- as you said, it was horrific, but it was not an isolated incident. it was part of the culture of the war that had been created and fostered and was largely a product of the pentagon's insistence on high body counts in order to justify their continued war effort and the continuingng escalatating insise that the u.s. congress give them ever more money and ever more troops. this is what led to these kind of massacres. the significance to me, however, is people like hugh thompson who, at great risk, landed his helicopter, had his crew train whor guns on the soldiers were committing this massacre and telling them that they had to stop or they would be shot themselves. ledthat is part of what has to the development of this exhibit that