Stick to what your good at crabs, drinking tea and bothering welsh farmers. The Royal Marines will stick with the Andrew thanks, would look a tad naff doing beach landings in one of your air sea rescue boats.
As the US have proved, carrier battle groups are the way ahead, what with Ocean, Bulwark and a couple of carriers I think the UK will be a bit better off than we are now, as long as the RAF uses it's FJ's to fly off the carriers of course.