Coast Guard Cutter Healy deckhands prepare to lower an unmanned underwater vehicle, operated by the Woods Hole Oceanographic Institute, into the Beaufort Sea during a simulated spilled oil response and recovery exercise, Sept. 10, 2013. WHOI scientists used the UUV to monitor ice conditions from below during the simulated exercise. (U.S. Coast Guard photo by Petty Officer 3rd Class Grant DeVuyst)