The SMA (Societas Missionum ad Afros) is an international Society of Catholic (Priest and Lay) Missionaries who come from around the world and are dedicated to the spread of the Gospel in Africa and among African people. The SMA missionaries have been present in Africa since 1856. The American Province began in 1906 and has a mission presence in the Archdioceses of Newark (NJ), Washington (DC) and Boston (MA).