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Expedition 4's engine room crew manage heat, noise and propulsion. Daily maintenance keeps the vessel running and available.

Expedition 4's chief engineer oversees the vessel's machinery. The team keeps all systems running in hot, humid conditions.

An ROV streams real-time views of the seabed during Expedition 4. Scientists use its footage and samples collected on the project.

Expedition 4 (Ep 10) Our Very Able Seaman: a video from Moana Minerals.

Episode 9 of Expedition 4 tours the vessel's operations room. The company calls it the nerve center for seafloor mapping and ROV work.

The seventh episode of Expedition 4 profiles the ship's galley team. Its multi-national, high-quality meals keep the crew and science teams fed at sea.

Tom Marsters, from Palmerston, serves as Bosun aboard the Anuanua. He is responsible for deck operations and crew management.

Expedition 4's sixth episode follows the Anuanua Moana's navigation team. It explains how they plot and position the vessel for research operations.

The bridge serves as the vessel's command center for navigation.

Expedition 4 episode 4 explains how free fall grabs test for nodules. The grabs also measure nodule density where present.