Japan sends biggest warship to protect a US supply ship | Daily Mail Online: Izumo, a helicopter carrier, is being sent by Japan to protect a US supply ship
The American vessel is thought to be supplying the USS Carl Vinson strike group
Deployment marks the first time Japan has used new powers allowing its military to carry out actions that are not strictly in self-defense
Comes as North Korea threatened to carry out a sixth nuclear test at 'any time'
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