"Don Bosco organized his first missionary enterprise. The heroic band was composed of ten priests and coadjutor Salesian Brothers and fifteen Sisters of Mary, Help of Christians. Don Cagliero (now a prince of the Church), a favorite disciple of Don Bosco, whom he had never left from the age of thirteen, and who had become one of the most learned and saintly sons of the Society, was appointed the director of the mission."