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In this underwater image, a swimmer in a teal long sleeve shirt, black leggings and fins, and a snorkel swims through blue water halfway between the seafloor and the surface. Attached to her wrist is a thin cord, attached to a floatation device at the surface. The seafloor below is covered in rocks and pale sand.

Instructor on Duty

An OCEANOS instructor with a safety flotation device swims through the waters off of Punta Soldado, Culebra (Puerto Rico) during the fieldwork section of the internship.

Image Credit: NASA/Milan Loiacono
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Image CreditNASA/Milan Loiacono
Size3304x4956px