While everyone is aware of the thousands of migrants that trek across Mexico on foot to get to America’s southern border, a group far less discussed are illegals who attempt to get into the country by sea. Smaller numbers of people may decide to take this route, but that doesn’t mean we should let down our guard. On Friday, the U.S. Coast Guard apprehended a boat in the waters around Florida carrying 16 migrants fleeing Cuba. A good Samaritan informed the government of a suspected migrant vessel on Sunday, likely the same one found on Friday. “The Coast Guard’s primary mission is to preserve h…