Jackie Grebmeier (right), co-chief scientist during the second Arctic West Summer mission aboard the Coast Guard Cutter Healy, explains to members of the Healy crew how a device used to retrieve core samples of the ocean floor functions Monday, Aug. 28, 2017, prior to crew members lowering the device during a practice run near Nome, Alaska.
Routine collaborations between the Coast Guard and the scientific community form the building blocks to understanding potential impacts of increased human activity in the Arctic Ocean.
U.S. Coast Guard photo by Petty Officer 3rd Class Amanda Norcross