Artwork depicting the Tektite II Habitat. Scientist-aquanauts were able to spend periods ranging from two weeks to 30 days underwater at a depth of 50 feet . Each vertical structure measures 12.5 feet in diameter by 18.1 feet high.
Image ID: fish9765, NOAA's Historic Fisheries Collection Credit: NOAA Central Library Historical Fisheries Collection • High Resolution Photo Available
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