Strong winds buffeted them as they arrived at Andrews air force base . Couple 's third joint official US visit will be mostly spent in Britain . UK 's Ambassador : Trip will boost Washington 's special relationship with US . President Obama will sit down for informal talks in Oval office tomorrow .
Strong winds buffeted them as they arrived at Andrews air force base . Couple 's third joint official US visit will be mostly spent in Washington . UK 's Ambassador : Trip will boost Britain 's special relationship with US . President Obama will sit down for informal talks in Oval office tomorrow .