Palmer says ship will mostly sail between Southampton and New York. Will be escorted by Chinese Navy from shipyard to Southampton on first ship. Our correspondent, Mike Pearse, is at the press conference in New York where the announcement is being made.
More top news
Thursday night's weather for the west of the region
Thursday night's weather for the east of the region
A protest against Black Friday sales, urging people to buy nothing at all instead, has attracted tens of thousands of supporters in the UK.