U.S. Navy Commander John S. McCain 3rd, a guest of the South Vietnamese government, visits the Holt orphanage in Saigon, Vietnam, on Oct. 30, 1974. The institution cares for many youngsters fathered by American G.I.s. McCain, son of the admiral who commanded U.S. forces in the Pacific at the height of the Vietnam War, was shot down over Hanoi and spent several years as a POW. (AP Photo/Dang Van Phuoc)