I wonder why everybody here assumes a new MPA (if ever) will be just for / from the UK, just like it always was. Are you following the news..
AGI News On - ROYAL NAVY HAS JETS HOSTED ABOARD FRENCH AIRCRAFT CARRIER
A European MPA/coast guard fleet with 2-3 standardized types/ procedures seems so much more efficient. A few bases around the edges, mixed crews, moving around fleet/crews to where needed most.