As North Vietnamese tanks rolled into Saigon, eleven U.S. Marines found themselves on the roof of the American Embassy with no U.S. helicopters in sight.
In April 1975, Binh Pho was an architecture student in Saigon.
Kiem Do, a colonel in the South Vietnamese Navy, remembers the solemn flag-lowering ceremony aboard the U.S.S. Kirk after the fall of Saigon.
Marine Guard Juan Valdez tells his story.