Petty Officer 2nd Class Sarah Brister, a boatswain’s mate at Coast Guard Station Juneau, helps a preschooler put on a lifejacket in Bethel, Alaska, April 13, 2015. Brister traveled to Bethel to join the boating safety training as part of the Coast Guard’s Arctic Shield 2015 operation. (U.S. Coast Guard photo by Petty Officer 2nd Class Grant DeVuyst)