Crew members aboard Coast Guard Cutter Bristol Bay, homeported in Detroit, place sheets infront of the windows on the cutter's bridge during a low visibility navigation drill on Lake Erie, Oct. 23, 2014. The drill was part of the cutter's ready for operations inspection and is designed to evaluate the crew's ability to safely navigate using only the cutter's instruments and posted lookouts. (U.S. Coast Guard photo by Petty Officer 3rd Class Christopher M. Yaw)