asked the Secretary of State for Defence if he will identify those parts of the DROPS requirement which emerged in 1979–80 which were not envisaged prior to this date during the period when the concept was still known, inter alia, as the Ampliroll system; when such aspects of the present DROPS concept became part of the user's DROPS requirement; and if he will make a statement.

My noble Friend the Minister of State for Defence Procurement will write to my right hon. Friend.