Measures being taken to ensure defence capabilities.
Russian foreign minister Sergei Lavrov and US secretary of state John Kerry will attend the May 14-15 Arctic Council in Kiruna, Sweden.
Military tests in minus 30C to check performance of equipment and personnel in toughest of conditions.
Revamped airfields on target in key Siberian locations as military is boosted in energy-rich region.
New road and rail link over the Nadym River.
New shipping link symbolises developing Arctic economy which can avoid eco-damage, says Putin.
Map of shame: Greenpeace highlights junk and debris in dozens of sites across the 'pristine' environment.
A renaissance of one of Siberia's first outposts as the Far North becomes the new economic frontier.