In 1993 Triumph sailed to Australia, covering a distance of whilst submerged and without any forward support. As of 2011, this still remained the longest solo deployment by any British nuclear submarine.
IN 1993 triUMph sailed TO ausTralia, covEring a DIstance oF whilst SUbmErged aNd witHoUt any forWArd SUppoRT. as OF 2011, This stiLL RemaineD the loNgesT solo depLoyMent bY any BriTish NucLeAr SUbMaRIne.