The correct answer is C) Coast Pilots. The National Ocean Service publishes the Coast Pilots, which are comprehensive guides that provide information on coastal navigation, including descriptions of ports, harbors, and other features that are critical for safe maritime operations. The Coast Pilots are an essential resource for mariners, including those seeking a US Coast Guard Captain's License, as they provide detailed information on the navigational hazards, tides, currents, and other factors that must be considered when operating a vessel in US waters. The other options, while also important nautical publications, are not the specific publication referenced in the question. Light Lists provide information on navigational lights and other aids, pilot charts depict meteorological and oceanographic data, and Sailing Directions provide detailed route planning information, but none of these are the specific publication published by the National Ocean Service.