To ask the Secretary of State for Defence whether the expenditure of £100 million to design a new missile compartment for the Vanguard replacement submarine announced in 2009 was included in the cost figures for the new submarine provided in the 2006 Defence White Paper. (277759)

The provision necessary to deliver the common missile compartment design requirement was included within the £11-14 billion estimate for the submarines contained in the 2006 White Paper (Cm 6994).