Chief Warrant Officer Danny Kilburger and Lt. j.g. Nicole Bredariol, crewmembers of the Coast Guard Cutter Bertholf teach students at Alak School in Wainwright, Alaska, about boating safety and how to properly wear their life vests, Sept. 7, 2012, as part of the Coast Guard's Operation Arctic Shield. The Coast Guard instructors provided education about important water safety practices that can be used by local residents throughout their lifetimes and can be taught to future generations. U.S. Coast Guard photo by Petty Officer 1st Class Timothy Tamargo.