R.A.A.F. Marshal of the R.A.A.F. Shoulder BoardR. A. A. F. Marshal of the R. A. A. F. Shoulder Board Marshal of the Royal Australian Air Force (MRAAF) is the highest rank of the Royal Australian Air Force and was created as a direct equivalent of the British Royal Air Force rank of Marshal of the Royal Air Force. It is considered a five star rank. It has only twice been awarded, each time as an honorary rank to a senior member of the Royal Family. On 2 June 1939 King George VI assumed the rank