4RAR(Cdo) were tasked with the CPP role while Gen Cosgrove and the Defence Minister were over in Iraq. Also provided a convoy escort in gun buggies too. (4WD landies)
If this is an official photo released by the Defence department that means they're definately not SASR as JP don't take photos of SASR boys faces at all unless covered.
So, simple answer, no, this blokes not SASR but rather a Commando from 4RAR(Cdo).