RAWALPINDI (PPI) The Chief of Army Staff (COAS), General Ashfaq Parvez Kayani, who is on an official visit to Australia, participated in the Special Chiefs of Services Committee meeting on Friday. According to an ISPR statement, the COAS was specially invited to this meeting, which was also attended by Australian Service Chiefs. He also called on Australian Air Chief Marshal Allan Grant (Angust) Houston. Chief of Defence forces, Ian Watt, Secretary Defence and various other military officials and discussed with them the matters of professional interest.