(He fired the gun within a second after this shot was taken)
Children run down a road near Trang Bang after an ARVN napalm attack on villages suspected of harboring National Liberation Front fighters in this June, 1972 photo by Huynh Cong Ut, which became a symbol of the international movement against U.S. involvement in Vietnam.
(The girl in this photo had burns from the napalm to her entire backside)
Images and text from http://encyclopedia.laborlawtalk.com/Vietnam_War
(The text in parenthesis are what I added)