To ask the Secretary of State for Defence what his most recent estimate is of the cost to his Department of the two aircraft carriers under construction; and what change this represents from estimates made in 2006. (259920)

I refer the hon. Member to the answer my right hon. Friend, the Secretary of State for Defence, gave on 12 January 2009, Official Report, column 76W to the hon. Members for Aldershot (Mr. Howarth) and Dunfermline and West Fife (Willie Rennie).