Crowds have begun to gather outside Mount Pleasant Primary School in Newport ahead of Barack Obama's visit today.
As announced yesterday, the American President will visit the school alongside David Cameron.
Top policeman at Nato Summit says stun grenades were destroyed an hour before they were set to explode in path of world leaders.
'Meet the Forces' day was a crowd puller on Sunday as warships open up their decks in Cardiff Bay following Nato summit.
The day began with a spectacular fly-past over Cardiff and Newport by Nato aircraft.