The resulting controversy only helped to fuel the film""s box-office appeal, and it became a major hit." Independently of each other, Ryan and Cortez discovered that the explosion was not a car bomb, but a cellulose encased laser-guided bomb deployed from a US aircraft (Cortez stated: "The Americans are here").Outside the shield, Rebel X-Wings fought off TIE-fighters in vicious air battles as they attempted to blast open the shield gate and penetrate the force shield.At the same time that the pursuing helicopter collided with one of the windmill vanes, Ethan was unsuccessful in trying to "fry the charge" with a defibrillator.