Prince Harry views Sydney Harbour Flotilla
5 October 2013 Last updated at 12:13 BST
Prince Harry has attended the International Fleet Review in Sydney Harbour to commemorate the arrival of the original Royal Australian Navy fleet a century ago.
Warships from nations around the world sailed to the city to join the centenary celebrations.
The prince then greeted crowds at the event which was closed with a display involving 7.7 tonnes of fireworks.