NOAA Lt. Dan Langis and crew members from the Coast Guard Cutter Healy lower an ocean profiling instrument in the Chukchi Sea near Icy Cape, Alaska, July 28, 2017. The instrument is attached to a buoy, which will serve as a test bed for evaluating innovative sensors and techniques for increasing the Coast Guard’s and NOAA’s observational capabilities in the Arctic. Coast Guard photo by Petty Officer 2nd Class Meredith Manning