Retrieved 2 March 2009. ↑ Dagbladet.no: "Norsk fregatt setter kurs mot Afrika" (in Norwegian) ↑ Norwegian Defence Force official website: "Nansen er klar til dyst" Archived 1 August 2009 at the Wayback Machine. (in Norwegian) ↑ http://www.bt.no/nyheter/utenriks/Helge-Ingstad-i-posisjon-utenfor-Syria-3030444.html#.UsEn8fTuJOI ↑ http://www.regjeringen.no/en/dep/ud/press/news/2013/joint_operation.html?id=747527 ↑ Norwegian Defence Force official website: Første seilas med F311 Archived 30 September 2007 at the Wayback Machine. (in Norwegian) ↑ Norwegian Defence Force official website: Tredje fregatt på norske hender (in Norwegian)