Fireworks exploded under a US Air Force helicopter during an NFL game. The organizers miscalculated the timing, and pyrotechnic bursts were heard directly below the plane, startling the spectators of the national football game between the Seattle and Chicago teams. US Air Force officials later said the helicopter was not in danger. However, the NFL decided to review the safety rules related to the use of fireworks during events. - I wouldn't want to see something like that.