The Vietnam War ended for the United States in January 1973, but not entirely. South Vietnam would fight in vain for its existence for another two years. As North Vietnamese troops closed in on the South Vietnamese capital of Saigon, U.S military assets scrambled to evacuate American personnel and South Vietnamese refugees. Ultimately, the U.S. military and the CIA’s Air America evacuated 1,373 Americans, nearly 6,000 third-country nationals, and more than 138,000 South Vietnamese refugees....