http://twitpic.com/7qh2vc . Yes, that's NATO-grey
This aircraft, Boeing 757 Combi OO-TFA ( ex OH-AFK) , is planned to arrive @ Liege, having left Amsterdam somewhat earlier.
Boeing 757 OO-TFA will depart from ST Aerospace Singapore, routing through Dubai (or Sjarjah?) and then onwards to Amsterdam for a rather short stop. Then onwards to Belgium.
She is to be officially operational for NATO from the 1st of January 2012, replacing the retired Boeing 707 TCA's...