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Emerging From Delta
Christina Kellogg, a research microbiologist with the U.S. Geological Survey, emerges from the submersible Delta after collecting coral samples in the Aleutian Islands in 2004. Twenty-one years after she found herself in the Aleutian Arc for her first cold-water coral expedition and her first submersible dive, she celebrated her return to the Aleutians with a dive in human occupied vehicle Alvin during the 2025 Aleutian Arc expedition.
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