--- title: Sweden Confirms Foreign Submarine in Its Waters description: Says it will defend its territory "with all available means" canonical: https://time.com/3585470/sweden-submarine-russia/ author: Sarah Begley article:opinion: false article:content_tier: free article:published_time: 2014-11-14T14:37:48.000Z article:modified_time: 2026-02-21T11:26:40.638Z article:section: World og:title: Sweden Confirms Foreign Submarine in Its Waters og:description: Says it will defend its territory "with all available means" og:url: https://time.com/3585470/sweden-submarine-russia/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt4b892bccc44a8b8e/698768c12dce0166ca9dbca0/sweden-sub-hunt.jpeg?branch=production&width=3840&quality=75&auto=webp&crop=16:9 og:image:width: 1200 og:image:height: 675 og:image:alt: SWEDEN-MILITARY-SUBMARINE-RUSSIA-ESPIONAGE og:type: article twitter:card: summary_large_image twitter:title: Sweden Confirms Foreign Submarine in Its Waters twitter:description: Says it will defend its territory "with all available means" twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt4b892bccc44a8b8e/698768c12dce0166ca9dbca0/sweden-sub-hunt.jpeg?branch=production&width=3840&quality=75&auto=webp&crop=16:9 ---  # Sweden Confirms Foreign Submarine Was in Its Waters by [Sarah Begley](/author/sarah-begley/) ## Sarah Begley Nov 14, 2014 2:37 PM CUT  The Swedish minesweeper HMS Kullen and a guard boat in Namdo Bay on their fifth day of searching for a suspected foreign vessel in the Stockholm archipelago on October 21, 2014. The Swedish minesweeper HMS Kullen and a guard boat in Namdo Bay on their fifth day of searching for a suspected foreign vessel in the Stockholm archipelago on October 21, 2014.FREDRIK SANDBERG—AFP/Getty Images by [Sarah Begley](/author/sarah-begley/) ## Sarah Begley Nov 14, 2014 2:37 PM CUT The [hunt for a rogue submarine in Sweden’s waters](http://time.com/3531780/swedish-hunt-russia-sub-cold-war/ "undefined") last month [has now confirmed ](http://www.france24.com/en/20141114-sweden-confirms-foreign-submarine-incursion/?aef%5Fcampaign%5Fdate=2... "undefined")that a foreign vessel was there, the Swedish government said Friday, but the origin of the ship still remains unclear. Swedish intelligence agents [detected](http://time.com/3531780/swedish-hunt-russia-sub-cold-war/ "undefined") distress signals on Oct. 16, and on Oct. 17 civilians saw an object that appeared to be a submarine in the water east of Stockholm. The following day, Sweden reportedly intercepted transmits from those waters to the Russian town of Kalingrad, leading to suspicions that the vessel may have been Russian. Russia denied this claim during the search. “The Swedish defense forces can confirm that a mini u-boat violated Swedish territory,” a Swedish military commander told reporters, according to AFP. “This is a serious and unacceptable violation by a foreign power.” Prime Minister Stefan Loefven warned that such incursions will not be tolerated. “We will defend our territorial integrity with all available means,” he said. \[[_AFP_](http://www.france24.com/en/20141114-sweden-confirms-foreign-submarine-incursion/?aef%5Fcampaign%5Fdate=2... 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