You’re welcome mate.
Over here in Aus we have a kind of compitition ( not sure if it is still running ) and it’s call triservice or something along those lines. Well the Air-Force, Army, and Navy cadets get together and have a compitition to see whoes best. Not sure how it works but i have heard many stories!
So would be an invasion of Britain anyway, most likely.
I wonder how many ‘cadets’ fought at Hastings?