Ahh, a mystery explained, so this %$&*()^ policy is why at the end of "Curse of the "Weere (?sp) Rabbit" the MOD gets a credit for allowing the use of the roundel on some fairground pretend aircraft
(BTW "Crackin' film Grommit")...........................
(as you can tell I like to get full value from films..now bring back the National Anthem).