Lt. Heikki Laukkanen, the Coast Guard Sector Anchorage Arctic Shield project officer, demonstrates shows a student how to rescue someone with a throwable flotation device at the YK Fitness Center in Bethel, Alaska, April 14, 2015. Students took turns playing as victims and rescuers at Laukkanen’s station. (U.S. Coast Guard photo by Petty Officer 2nd Class Grant DeVuyst)