The Hydrolab St. Croix was a significant underwater research facility located near St. Croix in the U.S. Virgin Islands. It was part of a network of underwater habitats used for marine biology and oceanographic research during the late 20th century. Originally launched in 1966, it served as a platform for scientists to live and work underwater for extended periods, studying the marine ecosystem in its natural environment.
The habitat included living quarters, lab facilities, and observation areas. Researchers used it to examine coral reefs, fish behavior, and underwater geology, contributing to our understanding of the ocean. The Hydrolab was eventually retired, but its legacy lives on as a key chapter in the history of underwater exploration.
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