That's right.. They managed to get her grounded near the Isle of Skye.. Oops.. http://www.guardian.co.uk/uk/2010/oct/22/nuclear-submarine-hms-astute-freed
It is really embarrassing - that boat was brand new. Also it's not the first time a Royal Navy submarine has come to a grief in these waters. You would have thought they'd learnt their lesson from last time.
They have - they are taking away the rescue tugs...