Measures being taken to ensure defence capabilities.
Based near Anadyr, its role is to 'monitor combat readiness' of military units, survey terrain, and air patrols.
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.
Russian president's flight to Salekhard delayed after airport closed by freezing rain.
Revamped airfields on target in key Siberian locations as military is boosted in energy-rich region.
Russian officials refused to allow the vessel to enter the Northern Sea Route which Greenpeace dubbed 'a thinly veiled attempt to stifle peaceful protest'.