Also something rather large to do with location.
Nobody actually wanted to work there who could not be posted there and the local community didn't have the infrastructure to attract families.
So great facility, built in a place that doesn't attract all the people to make it viable.
There was a plan to use its fully, create the infrastructure, bring in the people, but there was a small matter of the MOD getting the sums rather wrong as to the levels of training required by HMG and it was found to be not economically viable, and so the programme never got started