ST. JOHN'S, Newfoundland, Canada - Petty Officer 2nd Class Rob Hooper (left) and Petty Officer 2nd Class Todd Cook, both from U.S. Coast Guard Air Station Elizabeth City, N.C., perform maintenance on the engine of a Coast Guard C-130J Apr. 2, 2012. The air crew is deployed to St. John's on an aerial reconnaissance mission supporting the International Ice Patrol as it gathers data on ice conditions, icebergs and their movements in the North Atlantic. The headquarters of the International Ice Patrol is in New London, Conn. Coast Guard photo by Chief Petty Officer Bob Laura.