and surveillance cameras record virtually every inch of the venue. but more, much more, is being brought to bear. special radiological detection teams like this will be seeking out threats like dirty bombs. there were ten hits at last year s super bowl, all were determined to be medical isotope isotopes. reporter: it looks a lot like prepare fog a war, with specialized equipment and personnel from all over the country on hand to detect and deal with a wide variety of possible threats. and on game day air space within a 30-mile radius of the stadium will be tightly restricted, patrolled by norad fighters. what s the price tag? well, we probably can t put an exact figure on that because it s a little hard to define what an f-18 costs protecting the skies, but it s over $10 million i would say when it s all said and done. from our side alone, it s five. reporter: there was no
part of this stadium. and i m wondering if when you were building this stadium you were thinking about security? yes. reporter: cowboys owner jerry jones spent millions on security features including vantage points for law enforcement sharp shooters. we have a lot of place for snipers in here. reporter: multiple entrances allow faster screening and faster evacuation if needed. and surveillance cameras record virtually every inch of the venue. but more, much more is being brought to bear. special radiological detection teams like this will be seeking out threats like dirty bombs. there were ten hits at last year s super bowl. all of them were medical isotopes. reporter: when it comes to security, preparing for the game looks a lot like preparing for the war with specialized equipment and personnel from all over the country on hand to detect and deal with a wide variety of possible threats. and on game day, airspace within