On March 29, 1973, the last U.S. combat troops left South Vietnam (some advisers and others remained), ending the United States' direct military involvement in a war that didn't officially end until 1975.

On Saturday, the nation honored Vietnam War veterans. It's an annual commemoration marking the day U.S. military assistance command Vietnam was disestablished in 1975. According to the Defense Department, that was the same day when the last U.S. combat troops departed Vietnam.

Saturday marks the National Vietnam War Veterans Day, and the Veterans of Foreign Wars Post 101 invited all who served during the Vietnam War to join them for a special