Petty Officer 1st Class Jason Bunch, an aviation survival technician at Air Station Kodiak, instructs Coast Guard Members how to form a survivor raft in Womens Bay, Kodiak, Alaska, Wednesday, Oct. 31, 2012. A survivor raft is used in emergency situation at sea, when an unconscious or hypothermic individual needs to be kept out of the water. U.S. Coast Guard Photo by Petty Officer 3rd Class Jonathan Klingenberg.