Before revision: Ice-free navigation Nuclear icebreaker NS 50 Let Pobedy escorting the Beluga Fraternity and Beluga Foresight through the Northern Sea Route in 2009 The term "ice free" generally refers to the absence of fast ice, i.e.
After revision: upright=1.45|Ice-free navigation Nuclear icebreaker NS 50 Let Pobedy escorting the Beluga Fraternity and Beluga Foresight through the Northern Sea Route in 2009 The term "ice free" generally refers to the absence of fast ice, i.e.