Question to the Ministry of Defence:

To ask the Secretary of State for Defence, with reference to the Answer of 19 June 2013, Official Report, column 718W, on AWE Aldermaston, what the final write-off costs were of the cancellation of Project Hydrus at the Atomic Weapons Establishment.

The final write off costs for the termination of Project Hydrus were £117.7 million. The hydrodynamics testing capability will now be delivered through the joint UK and France programme, Project Teutates. Components valued at £71 million which were constructed under Project Hydrus have subsequently been incorporated into Project Teutates.