In this paper, the UK's new aircraft carriers are taking shape in an artificial world that looks out over the sea high above Portsmouth, England. The work being done at the QE Class MS Integration facility at Portsdown Technology Park will make sure that the new Queen Elizabeth (QE) Class Aircraft Carriers, currently under construction in shipyards across the UK, will be state of the art and fully integrated with the new F-35 Lightning II when the aircraft is delivered. The QE Class MS team are involved in a three-year programme of visualisation and experimentation to reduce cost through risk mitigation by integrating real, maturing and prototype systems with assistance from their developersworking in partnership with the MoD and Navy to iron out any problems at an early stage. The facility is also designed to evolve to enable the integration of delivered systems prior to their installation on the carriers.