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Key points The Chief Engineer oversees all of the vessel’s machinery and systems during Expedition 4. The Chief Engineer and his team are responsible for keeping the vessel’s systems in good working order. The role demands dedication and high energy levels, working in very warm,…

Key points The ROV gives real-time views of the seabed and what is present on it. Video footage and samples collected by the ROV are used by scientists working on the project.

Key points The video profiles the galley team supporting Expedition 4, whose work keeps the crew fed through demanding schedules at sea. The onboard food is described as multi-national in flavor and high quality, valued by both the ship’s crew and the science teams.

Key points Tom Marsters, from Palmerston in the Cook Islands, serves as Bosun aboard the Anuanua. As Bosun, Marsters is responsible for running deck operations and managing the deck crew.

Key points The vessel is commanded and steered from the bridge by bridge and watchkeeping staff. Bridge staff are experienced and certified to operate a vessel of this size and complexity. Bridge personnel coordinate closely with the operational and science teams to complete work quickly,…

Key points The episode covers free fall grabs, the final tool the onboard team uses to test for nodules on the seafloor. The grabs also provide data on nodule density where nodules are present.

Key points The box core recovers an undisturbed sample of the seafloor, allowing analysis of nodules in their original position and collection of macrofauna present on the surface. Sediment beneath the nodules is examined for data on the animals living in the soil, macroscopic organisms and…