After you destroy the missiles that get so dum, you get a chance to save and go into VOL:2. You need to chase down the presidents plane, DO NOT JUMP OUT AND TRY TO GRAB IT! Land on it.

Kill the guys in side. You will then parashute out.Navigate to the pres. To where you can tuch em'. You'll see that the button X will plant a bomb on him, DO IT! Mission complet, you've compleated the game.