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Telephoto zoom of the unmanned aerial system DJI M600 hovering steadily above the sample location during water collection. The water was collected in a sterilized plastic sleeve from a few feet below the surface of the lake after the sampling mechanism submerged. (Public domain.)
USGS and OAS team prepares the sampling mechanism and inspects the unmanned aerial system a few minutes before mission start and takeoff. All safety precautions were taken to ensure the aircraft and sampling mechanism were sterile, and would return safely from the pond. (Public domain.)