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Before and after every remotely-operated vehicle (ROV) dive, you might notice our team of engineers walking around the vehicles with a clipboard in hand. To make sure the ROVs are ready to start their underwater journey thousands of feet underwater, everyone from senior pilots to new trainees use checklists to make sure vehicles are operational and to track maintenance. In this video, go behind the scenes of operations aboard E/V Nautilus to learn about the hundreds of components that make up ROV Hercules and Argus.