Massive cargo ship MV Derbyshire, carrying nearly 160,000 tons of iron ore, is passing through the Northwest Pacific en route to Japan. Just a few days from her destination, a raging typhoon swallows up the ship and all 44 people on board. Witness the investigation launched by the family of the doomed ship's crew members, and see how their dogged determination for the truth uncovered a shocking problem potentially affecting an entire fleet of bulk carriers.

Thirty miles off the coast of Virginia on February 11, 1983, bulk carrier Marine Electric struggles to stay afloat in a savage winter storm and sinks into the Atlantic. 31 of its 34 crewmembers are dead, leaving the Coast Guard and the NTSB scrambling for answers. Revisit the harrowing final moments of the 40-year-old vessel and follow the investigation that found dozens of other carriers and their crews at risk.

The MV Rocknes, which hit shallow water and suddenly capsized south of Bergen, Norway in January 2004, killing 18 of its 30-person crew. Investigators initially suspected the pilot veered off course, but soon uncovered a series of mistakes that happened before the ship left port. Written by Anonymous

When the MV Explorer cruise ship sinks off the coast of Antarctica, investigators must turn to the photos and videos taken by the surviving passengers to find out what went wrong.

Bering Sea fishermen have some of the highest mortality rates of any job in the country, but the sinking of Alaska Ranger on Easter Sunday in 2008 was particularly stunning. Major flooding in the rudder room forced 47 crew members into the icy sea, setting off one of the most daring rescue missions in Coast Guard history. Follow the two-year investigation, which uncovered weaknesses not only in the Alaska Ranger's structure but in the maintenance of many of the fishing trawlers riding these deadly, unforgiving waters.

January 18, 2007. Loaded with more than 2,300 shipping containers, MSC Napoli is sailing through the English Channel during a violent storm. Suddenly, the engine room begins flooding with water, threatening to tear the ship in half. Through actual footage of the disaster and interviews with those who were there, witness the heroic rescue effort to save the lives of 26 crewmembers.