Yep could see it from the Suffolk Coast at around 1800rs, very deep blue sky with a huge perfect reddish/orange circle.
Damned impressive though!
ps This item featured on ITV About Anglia at 1825 hrs tonight.
The USAF at RAF Lakenheath, Suffolk has confirmed it was an F-15E Strike Eagle on a training mission at 33000' no reasons were given as to why the pilot did this nor would they name the 'top gun' involved
pps Correct MOTF Mildenhall moved to Fairford whilst Mildenhall runway under repair for 6 months