In hopes of preventing terrorist attacks, 2010 Olympic organizers will deploy 8,000 security personnel, spend as much as $1 billion in Canadian government funds and elicit help from the North American Aerospace Defense Command. NORAD leaders are finalizing plans with the Royal Canadian Mounted Police to provide fighter jets and radar support in Vancouver, where 5,500 athletes from 80-plus countries, including about 215 Americans, will converge in February.