HASs from upper deck of Russian icebreaker ploughing through ice field on Jones Sound, bow of "Kapitan Khlebnikov" visible on some shots, shots of ice cracking (4:18). LAMSs of ship's radar tower and antennas (0:49). HASs of ship's bow travelling through open water, heading towards and going through ice field dotted with meltwater ponds, shots of ice cracking under bow (9:41).