T2-3D: Battle Across Time simultaneously at 30 frames per second. Several elements of "T2 3-D: Battle Across Time" have been patented by Universal, including the seat drop effect, the blending of live action and film, the trio of projection screens, and the simulated assault weapons. The film was shot at the abandoned Eagle Mountain iron ore mine, just north of Desert Center in California. The cast and crew from the first two Terminator films returned for the shoot, including Arnold Schwarzenegger as The Terminator, Linda Hamilton as Sarah Connor, Robert Patrick as T-1000, and Edward Furlong as John Connor. To achieve the 3-D effect
Terminator (character concept) high-ranked politicians with a promotional video in which a character named Chief Master Sergeant William Candy (played by Schwarzenegger, but overdubbed with a thick Southern US accent) explains that he was chosen to be the model for the Terminator project. When one of the politicians questions the appropriateness of Candy's Southern accent for the Terminators' voice, another scientist (overdubbed with Schwarzenegger's voice) replies "We can fix it". As seen in the movies, a Terminator can withstand standard 20th century firearms, crash through walls intact, and survive explosions to some degree. Repeated shotgun blasts have enough force to knock it down