"Training foreign military forces is a core Special Forces mission — and the top priority of the U.S. command in Iraq. The Iraqi scout platoon, recruited from the Albu Nimr tribe and coached by the team in Hit, displayed an agility and confidence unusual among Iraqi soldiers. And the Americans fostered loyalty in the platoon.
"We walk with them as brothers," said Mokles Ali Mukhlif, the Iraqi platoon leader." Tyson
(The Coat of Arms of the 36th Infantry Regiment)
Some things really do not change. The antipathy felt by the officers of the conventional army for Special Forces soldiers (Green Berets) continues unabated. This problem is now fifty years old and shows no sign of disappearing.
This article in the Washington Post is illustrative.
I enclose a piece I wrote some time ago on "how to work with tribesmen." I had Anbar Province specifically in mind.