Swedish and Australian diesel-electric subs have also 'sunk' US carriers in war games. see: http://nationalinterest.org/blog/the-buzz/swedens-super-stealth-su

Swedish and Australian diesel-electric subs have also 'sunk' US carriers in war games. see: http://nationalinterest.org/blog/the-buzz/swedens-super-stealth-submarines-are-so-lethal-they-sank-us-18383 http://nationalinterest.org/blog/the-buzz/swedens-super-stea... http://nation.time.com/2012/12/04/more-than-the-navys-numbers-could-be-sinking/ http://nation.time.com/2012/12/04/more-than-the-navys-number...