On the ATom mission, NASA, NOAA, and a team of scientists are probing the secrets of Earth's remote atmosphere out over the deep oceans aboard NASA's DC-8, the world's largest flying chemistry laboratory.
Editor’s note: This is the fifth dispatch from Jeremy Mathis, director of NOAA’s Arctic Research Program, who is leading a team of NOAA scientists on a research cruise in the Arctic aboard the USGCGS Healy.