Video. It's the world oldest international sporting trophy and today, Sir Ben Ainslie announced he's leading a British challenge for the America's Cup.
The four-time Olympic champion from Lymington wants to base the team in Hampshire and believes it will pump millions of pounds into the local economy. His ambitious plans are receiving Royal support, as David Reilly explains.
We spoke to Sir Ben Ainslie and Portsmouth North MP Penny Mordaunt.