palace released video of the 30-year-old enjoying his flight ahead of his arrival in australia tomorrow , where he will begin a month-long attachment with the australian defence force .
he will also visit the war memorial and lay a wreath at the tomb of the unknown soldier , both in canberra .
harry , who is leaving the army in june , relished his adrenaline-charged 250mph spitfire ride from goodwood to the isle of wight that the brief journey included a ` half cuban ' manoeuvre .