Revealing: In the last fight scene with John and Christian, Christian jumps out of the train and disarms the nuke with the remote and the nuke goes through John Travolta, but in slow motion you can clearly see a cheap dummy with white shoes on when he gets hit and flies out.

Continuity: What the hell are uncoded circuit boards?

Continuity: When Christian Slater and the girl are trying to take over the jeep with the nukes in it, Slater shoots the driver's foot and pushes him out of the jeep to the side of the road, but then the car with Travolta in it accidentally runs over the guy in the middle of the road.