An Oracle Racing AC45 boat capsizes during an exhibition race to promote the 34th Annual America's Cup, in San Francisco Bay June 13, 2011. [Photo/Agencies]

A combination photo shows images of an Oracle Racing AC45 boat capsizing (L-R, top to bottom) during an exhibition race to promote the 34th Annual America's Cup, in San Francisco Bay June 13, 2011. [Photo/Agencies]