 In 1964, UBF began expanding through missionary work, such as sending a graduate as a missionary to pioneer Cheju University in Cheju Island.They also sent workers to Taejun, Taegu, Chunju and in 1966, established a headquarters in Seoul.In the 1970s UBF along with other campus ministries such as the InterVarsity Christian Fellowship, Campus Crusade for Christ, Navigators and Youth With a Mission, began concentrating on evangelization of people-groups and nations as well as individual students.