article_snippet.sent: Concerns are growing over Russian ships that have docked in a once-secret  naval base in the Arctic.
article_snippet.sent: Military leaders in Norway are nervous about Norway powerful neighbour's presence on Norway 'strategically important' coastline following a spike in tensions between Russia and NATO nations.
article_snippet.sent: But fears have once again peaked after three Russian ships spent the entire winter docked deep within the mountain hideaway which was once a heavily guarded military facility.
article_snippet.sent: : Norway's military leaders are growing concerned after three Russian warships spent the winter docked inside a closed naval base (file photo) deep inside the country's mountainous terrain .
article_snippet.sent: Elinar Skorgen added: 'We are the only country along with Russia to have a permanent presence in the Barents Sea, where we share a common border.
article_snippet.sent: Many military experts are now worried by the the potential for Russian military activity aboard the research vessels.
article_snippet.sent: Jan Reksten believes the sale of Olavsvern was 'a double loss' as 'Norway's armed forces lost an important base and now there are Russian vessels docked there'.
highlights_snippet.sent: Three Russian ships that docked in Olavsvern Naval Base for the entire winter .
  
highlights_snippet.sent: Norway's military fears Russian presence on 'strategically important' coastline .