Diálogo is a professional military magazine published quarterly by the Commander of the United States Southern Command as an international forum for military personnel in Latin America.

Remembering

1964 Modern road machinery, such as the grader shown here, helped to develop access routes to Bolivia’s mountainous areas as part of the Alliance for Progress program in July 1964. Started three years before under U.S. President John F. Kennedy, the program’s objectives were to offer low- and zer...