The Chinese research vessel and icebreaker Xue Long broke free from ice and was back in the open waters off Antarctica on Tuesday. Zhang Jiansong /Xinhua/Landov hide caption itoggle caption Zhang Jiansong /Xinhua/Landov The Two-Way Ships Break Free In Antarctica, U.S. Icebreaker Not Needed January 8, 2014 A Russian ship that had been taking scientists and passengers on an expedition got stuck. So did a Chinese icebreaker that tried to help. The U.S. Coast Guard sent its biggest icebreaker on a mission to help. But the ships have been able to get out on their own.