§ Sir Frederick Burdenasked the Secretary of State for for Defence on what date HM submarine "Swiftsure" arrived at Devonport for refuelling and refit.
§ Mr. BlakerHMS "Swiftsure" arrived in Devonport in January 1979 for a refit scheduled to start in March 1979. Work was not started until April 1980 due to an industrial dispute.