FILE - In this March 10, 2010 file photo, a 25-foot harbor patrol boat passes by the 399-foot U.S. Coast Guard icebreaker Polar Star as it sits moored at a dock in Seattle. The U.S. Coast Guard heavy icebreaker left Australia for Antarctica on Sunday, Jan. 5, 2014, to rescue more than 120 crew members aboard two icebreakers trapped in pack ice near the frozen continent's eastern edge, officials said. (AP Photo/Elaine Thompson, File)