Preparing Portsmouth for the arrival of the Queen Elizabeth Class Aircraft Carriers involves significant new investment in the naval base, including the dredging of the harbour and its approach, the strengthening of jetties, installing new power supplies and other infrastructure changes. This work has already commenced and will continue to expand. To support this level of activity, the Secretary of State for Defence, my right hon. Friend Mr Hammond, announced on
Depending on the outcome of the strategic defence and security review in 2015, which will consider the deployment of the second vessel, preparatory work is expected to continue until the end of the decade. Based on the revised programme agreed between the Ministry of Defence and BAE Systems HMS Queen Elizabeth is due to enter Portsmouth in early 2017.