Franz Josef Land air bases in the Arctic. A major new base, named the "Arctic Trefoil" for its three lobed structure, was constructed at Nagurskoye. It can maintain 150 soldiers for 18 months and has an area of 14,000 square meters. In 2017, Russian president Vladimir Putin visited the archipelago to protect Russia's interests in the Arctic. The archipelago constitutes the northernmost part of Russia's Arkhangelsk Oblast, located between 79°46′ and 81°52′ north and 44°52′ and 62°25′ east. It is situated north of Novaya Zemlya and east of the Norwegian archipelago of Svalbard. Located within the Arctic Ocean, Franz Josef Land constitutes the
Novaya Zemlya effect two full weeks prior to its calculated return. They were met with disbelief by the rest of the crew (who accused De Veer of having used the old Julian calendar instead of the Gregorian calendar introduced several years earlier), but on January 27 the Sun was seen by all "in his full roundnesse". For centuries the account was the source of skepticism, until in the 20th century the phenomenon was finally proven to be genuine. Apart from the image of the Sun, the Novaya Zemlya effect can also elevate the image of other objects above the horizon, such as coastlines