When God called him into mission, he told delegates, he sat down and tried to explain to God why it was impossible. And today, a generation of African mission leaders are stepping into global roles. The first was a Nigerian surgeon who completed her residency training in a West African country. He showed two photographs — before and after — of a mission team in that same West African country. "We are going to send another missionary to replace him," the elders told the mission organization’s director in Addis Ababa.