After the shelling of Tan Son Nhut Airport by North Vietnamese troops, the U.S. Ambassador was left with only one evacuation option -- a heavy-lift helicopter evacuation.
After the Fall of Saigon, Dam Pham and other South Vietnamese soldiers wondered what fate awaited them.
Marine Guard Juan Valdez tells his story.
U.S. military men took matters into their own hands to get their South Vietnamese counterparts out of the country before the North Vietnamese reached Saigon.