From the first official fleets of the U.S. government to today's specialized lifesaving crafts, the ships of the U.S. Coast Guard have played a vital role in maritime history. Dishing up dramatic footage of real-life search-and-rescue operations, this in-depth program goes aboard some of the Coast Guard's many vessels, from the small boats used for shoreline rescue to the deep-sea patrol ships playing a key role in the war on drugs.