House of Commons Hansard Written Answers for Monday 24 May 2011
Armoured Fighting Vehicles
Angus Robertson: To ask the Secretary of State for Defence if he willestimate the cost to the public purse arising from the time taken to complete the capability sustainment programmes for (a) the Warrior infantry vehicle and (b) Challenger 2 main battle tank. 
Peter Luff: The Warrior capability sustainment programme is currently in the assessment phase. The total cost of the programme will be determined when the main investment decision point is made. I am withholding the estimated costs as its disclosure would prejudice commercial interests. At 31 March 2011, total expenditure for the concept and assessment phases was £50.7 million. The Challenger 2 capability sustainment programme is in the very early stages of the concept phase and no expenditure has yet been incurred.