Sonic realizes that the military has mistaken him for Shadow.
After he destroys a Military Fighter, he encounters a near look-alike of himself named Shadow the Hedgehog who has stolen a Chaos Emerald from the bank a while earlier. Suddenly he starts shouting 'Hedgehog is escaping! Repeat, hedgehog is escaping!' At that moment, Sonic the Hedgehog jumped out of the helicopter, ripping off a piece of the wing to use as a snowboard, and then jumped off. It begins with a Military helicopter (Sigma-Alpha 2) flying over the city.
