Massive security operation for Super Bowl

Tonight, the air above Super Bowl 60 protected by military might, backed up by deadly force. Armed Air Force F-15 jets locked and loaded for potential threats. 30 nautical miles of airspace around the stadium, close to all traffic.The Coast Guard patrolling the waters near Levi Stadium. And Blackhawk helicopters ready to deploy tactical teams at a moment's notice. Customs and Border Protections air and marine operation keeps a constant vigil, monitoring the ground, prepared for low and slow threats like air ...