A Top Secret document shows the extensive cooperation between the Norwegian Intelligence Service (NIS) and the US National Security Agency (NSA). It confirms and specifies that Norway is conducting surveillance on Russia and that the NIS is sharing intelligence information with the NSA.

The NIS provides the NSA with information on:• Politicians• Energy• Armament

NSA is one of the largest intelligence services in the USA, and has global reach. Dagbladet has gained access to the document, leaked by the whistleblower Edward Snowden, and is today presenting parts of it´s content. This article is written in cooperation with journalist Glenn Greenwald, who is known worldwide because of his access to the many documents leaked by Snowden.

The document has a «Top Secret» classification and is dated April 17th this year. It is signed by a leading official at the NSA's Norway Desk and is apparently written shortly after an annual planning conference between the two agencies, which was completed on March 7th this year.The document reveals the extent of the cooperation between the Norwegian intelligence service and the NSA. Surveillance of Russia is a major part of this.The document presents lists of what intelligence information the NIS provides to NSA and vice versa, and also mentions several «success stories» from the cooperation.