D-day commemoration markings RAF Lakenheath.
https://www.lakenheath.af.mil
https://www.stripes.com/news/us-f-15s-at-lakenheath-painted-to-commemorate-75th-d-day-anniversary-1.566879
No idea at the moment. Combat jets tend not to show up on the trackers.
Lakenheath Fakebook in the link shows it airborne 3hrs ago but not the location.
Based on that it is probably still in UK - probably the wing/squadron commanders plane.