A U.S. Coast Guard crew returned 16 migrants to Cuba on Friday following an interdiction of a migrant voyage near the Florida coast. A Good Samaritan alerted Sector Key West officials to a potential migrant voyage at 9:30 a.m. on Sunday. “The Coast Guard’s primary mission is to preserve human life at sea,” said Lt. Matthew Miller, Coast Guard Seventh District. “The maritime environment is inherently dangerous. The Coast Guard and our HSTF-SE partners are committed to preventing unsafe voyages at sea and enforcing U.S. immigration laws and regulations. Do not take to the sea.” The crew of Coast…