Logical and almost predictable for the Gulf sheikhdoms & KSA:
The Gulf Cooperation Council (GCC) has invited Jordan and Morocco to form a military alliance to resolve the bloc’s manpower issues....The most recent move, according to the Jordanian official, is seen as another step in solidifying the relationship between the only remaining monarchies in the Arab world.
Link:http://www.defensenews.com/article/2...Jordan-Morocco

Now whether the people accept fellow Arabs from elsewhere is a moot point. Who says mercenaries are history?