Japanese aircraft carrier 'biggest since World War II'
6 August 2013 Last updated at 18:34 BST
Japan has unveiled its largest warship since World War Two.
The $1.2 billion aircraft carrier has a flight deck almost 250m long, which can reportedly carry nine helicopters.
Officials say the Izumo will be used in anti-submarine warfare and border-area surveillance missions.
Samantha Smith reports