Wilkie trained at the Royal Military College , Duntroon and graduated in 1984 . He joined the Young Liberals while a cadet . He also studied at the University of New South Wales , and holds a Bachelor of Arts degree , a Graduate Diploma of Management , and a Graduate Diploma of Defence Studies . After graduation and being stationed in Brisbane , he joined the Liberal Party before allowing his membership to lapse . His military career spanned 1980 – 2001 and he rose to the rank of lieutenant colonel . He was seconded to the ONA , an Australian intelligence agency , from 1999 until late 2000 . After a stint with US defence company Raytheon , Wilkie returned to the ONA shortly after the September 11 attacks
September 11 attacks
September 11 attacks
Andrew Wilkie