Not really in the least bit concerned with your opinions.No, they don't. The Navy (bizarrely) doesn't have real control over the Submarine Delivery Agency that owns the budget for these.
But for the record
"The SDA works closely with its customers, the Defence Nuclear Organisation and Navy Command, to deliver their materiel requirements. These are laid out in Submarine Acquisition and Support Plans (SASPs) which will formally be agreed at the start of each financial year. Once in place, the Chief Executive will be accountable to the SDA’s customers for the delivery of outputs in the SASPs. In turn, the Defence Nuclear Organisation and Navy Command will ensure that they provide the funding and resources and undertake the activities specified in the SASPs to ensure that the outputs can be delivered. "