According to this news clip (in Dutch), the Croatian AF is much depleted by the "transfer" of 6 of their most experienced pilots to the Air Force of Oman. Apparently, the pilots collectively decided to join the RAFO because of the continuing defence cuts in Croatia. The news refers to the pilots belonging to a unit that also performs demo-team presentations at airshows. That would make the instructors of the Krila Oluje PC-9 Team prime candidates...
http://www.telegraaf.nl/buitenland/2376 ... man__.html