Lt. Heikki Laukkanen, the Coast Guard Sector Anchorage Arctic Shield project officer, demonstrates how to float with a throwable flotation device at the YK Fitness Center in Bethel, Alaska, April 14, 2015. Students from Bethel practiced man-overboard drills at Laukkanen’s station. (U.S. Coast Guard photo by Petty Officer 2nd Class Grant DeVuyst)