Having rejoined the ship on 20 July 2009 , the crew conducted post-refits trials until January 2010 .
Montrose was formally accepted back into the fleet on 11 February 2010 .
Having rejoined the ship on 20 July 2009 , the crew conducted post-refits trials until January 2010 , and Montrose was formally accepted back into the fleet on 11 February 2010 .