Seaman Laura Mobley, a deck force member aboard Coast Guard Cutter Healy, operates the cutter's aft A-frame, a large oceanographic winch used to deploy and retrieve scientific instruments, Sept. 22, 2015. Healy is underway in the Arctic Ocean in support of the National Science Foundation-funded Arctic Geotraces, an international endeavor to study the distribution of trace elements in the Arctic Ocean. (Photo by Petty Officer 2nd Class Cory J. Mendenhall)