While we're on the subject but drifting slightly, I notice that our military personnel are wearing British and US insignia in tandem. If we can have a reasonable grasp of the badges of rank of the five principal US armed services, is it too much to ask that they do the reverse?
O-D practical experience would suggest that it is too much to ask.
In Kuwait just before the 2nd Gulf "Unpleasantness", one wore Kuwaiti rank alongside RAF. My successor adopted US rank badges
as well.
Come to that, much of the British Army seem confused by what they call our "bar codes".