The people who make acronyms outdid themselves with the naming of the Systematic Underwater Biogeochemical Science and Exploration Analog at NASA. The letters spell out SUBSEA, which is the kind of exploration in question.
At NASA? Yes, because the agency aims to treat the exploration of the deep ocean similar to the approach to exploring deep space.
Shannon Kobs Nawotniak is one of the staff scientists at SUBSEA, an expert on undersea volcanoes. She speaks in Coos Bay fora geology lecture (March 16, 2019), and calls us for an advance listen.