Question to the Ministry of Defence:

To ask the Secretary of State for Defence, what proportion of the elements of the Successor programme has commenced production of manufacturing drawings; and when he expects all elements of that to have commenced such drawing.

The production of manufacturing drawings is phased to support corresponding manufacturing activities and has commenced for long-lead elements of the Successor submarine including the propulsion plant and missile tubes.

Production of the majority of manufacturing drawings will not commence until after the next approval.