An "Aquanaut" is a person who explores underwater environments, often living and working in submerged habitats for extended periods. These individuals conduct scientific research, study marine life, and test new technologies related to underwater exploration. Aquanauts typically use specialized equipment, such as diving suits and submersibles, to navigate and operate in deep-sea conditions. The term is often associated with projects like Aquanaut missions, which aim to advance our understanding of ocean ecosystems. Aquanauts may collaborate with organizations like NASA or NOAA to gather data that can help protect marine environments and improve underwater exploration techniques.