Complex sentence: He served as captain of one of the St. Kitts and Nevis ferry boats for 19 years, and has piloted many other motor craft and sail boats in the West Indies, and has studied marine biology at Woods Hole Oceanographic Institute and other marine science centers.
Split into simpler sentences: He served as captain of one of the St. Kitts and Nevis ferry boats for 19 years. He has also piloted many other motor craft and sail boats in the West Indies, and has studied marine biology at Woods Hole Oceanographic Institute and other marine science centers.