ORAC, true regarding funding. I was told that the RNoAF 'agreed' to provide SAW to get its funding slice as well but then failed so to do.
I think there was some talk of replacing Bloodhound with a more advanced system, like Patriot, but that we could get some form of benefit by standing down the Bloodhound force early and getting the new system a few months later taking the capability gap at risk. There followed the collapse of the USSR and GW1. The capability gap continued and then was allowed to become 'permanent'.