Northern Sea Route Northern Sea Route The Northern Sea Route (, "Severnyy morskoy put", shortened to Севморпуть, "Sevmorput") is a shipping route officially defined by Russian legislation as lying east of Novaya Zemlya and specifically running along the Russian Arctic coast from the Kara Sea, along Siberia, to the Bering Strait. The entire route lies in Arctic waters and within Russia's exclusive economic zone (EEZ). Parts are free of ice for only two months per year. The overall route on Russia's side of the Arctic between North Cape and the Bering Strait has been called the Northeast Passage, analogous to the Northwest Passage
Novaya Zemlya are still used for airfields today. The Soviet Air Force maintained a presence at Rogachevo on the southern part of the southern island, on the westernmost peninsula (). It was used primarily for interceptor aircraft operations, but also provided logistical support for the nearby nuclear test area. Novaya Zemlya was the site of one of the two major nuclear test sites managed by the USSR, used for air drops and underground testing of the largest of Soviet nuclear bombs, in particular the October 30, 1961 air burst explosion of Tsar Bomba, the largest, most powerful nuclear weapon ever detonated. The