KODIAK, Alaska - Coast Guard Petty Officer 2nd Class Joshua Harris, an avionics electrical technician, holds his breath during survival training at the Coast Guard Base Kodiak pool Oct. 4, 2011. The shallow water egress training chair simulates a helicopter being flipped upside down and aircrews must demonstrate their ability to egress from the chair correctly. U.S. Coast Guard photo by Petty Officer 3rd Class Jonathan Lally.