Over the next 3 months or so,3 USMC UC-12F are due to be replaced by UC-12W in the Far East.
It is highly likely the replaced airplanes will transit Europe on the way back for re-assignment in the USA.
The first one may be 163558,which is currently at U-Tapao in Thailand calling Magic 80.
The next 2 will be bu numbers 163553 and 163559.