The UK/US EW sharing issues, you may all be pleased to hear, are as good as ever. Where the "labs" are based are of no concequence to the F-35 programme. The U.K. Is not disadvantaged by location, locacation, location.
EDIT to add. A1Bill, you are being a bit of a petulant child here, as has been mentioned. My advice is to tone it down a bit. Just advice, nothing else.