Reported as arriving at 10.53 was Shadow R.1 ZZ504 from 14 Sqn as callsign Vulcan01.
A Shadow R.1 departed at 12.07 calling Medusa 54,which should be ZZ504,but it has also been reported as ZZ416.
ZZ416 has been flying today(12th June) from Waddington.
Update,
It now appears that ZZ504 was a crew-ferry for the delivery of ZZ416 back to 14 Sqn at Waddington.
MV-22Bs have arrived - their tanker OTIS51 went direct to Mildenhall with other support aircraft OTIS52 landing at Farnborough and then going on to Mildenhall.