I refer the hon. Member to the answer I gave to the hon. Member for Colchester (Bob Russell) on 2 November 2006, Official Report, column 619W, and the answer given to my hon. Friend the Member for Wirral, South (Ben Chapman) on 7 November 2006, Official Report, column 1446W, by my hon. Friend the Under-Secretary of State for Defence (Derek Twigg).