Some great entries this time. My favorites:
Wensleydale: The Americans failed to understand the concept of a "Bring a Boss night"
Kiltrash: Mr and Mrs Coneheads take their 6 children on their first transcontinental flight. Well if you discount the 6.4 light years from Andromeda
C52: It's not often that a hatter makes the inches-for-centimetres error.
cavuman1: The human xylophone is played with blows from a 10-lb. sledgehammer.
But as always, there's only one winner, so the coveted trophy, being loaded on a Do-X as we speak, is on its way to Nutloose for:
You didn't really think the RAF had anything more than the MK 1 eyeball in those fancy radomes did you?