Mighty Ships Season 3: Episode Guide & Ratings

G.O. SARS is a new generation of marine research vessel. Her vibration-and noise-damped diesel generators and propellers driven by direct current motors, emits 99% less noise than any other conventional ship. They offer scientists unprecedented access to the life in the world's oceans.

Africa Mercy is the world's largest NGO hospital ship. She travels port to port in the world's poorest regions providing medical care to people who may have never met a doctor or visited a hospital. 150m long and equipped with six state-of-the-art operating theatres, Africa Mercy can deliver medical care as good as any big city hospital in North America.

The Cristobal Colon dredges millions of cubic metres of sand from the seabed for a construction site in Germany.

An unprecedented look at nuclear-powered submarine USS Kentucky.

The largest and most revolutionary cruise ship on Earth makes her maiden voyage.

Solitaire is the only ship in the world capable of laying huge 30 inch diameter pipes on the ocean floor. Her crew of 420 work 24/7 and can lay down 9km of pipeline a day. Led by a vessel management team, the crew is made up of mariners and welders from all over the world.