Allowing for the essential pinch (bucketful?) of salt necessarily associated with any Express article, surely any such development would require that the RAF officer did not have dual nationality and did get to take the controls?
Since we can safely assume that the US and the USAF in particular are unlikely to run out of 747 rated pilots anytime soon, the sole purpose of the exercise would be to show to the world what great buddies we are, and how deep the relationship between our armed forces actually runs.
The mood music following last week's events would suggest that such a public display of affection may need to be postponed......