Visible crew/equipment: At one point in the fight in the secret lair of the bad guy, Frankie Muniz jumps sideways over what seems to be an engine block. While he does this, the hood on his hoodie is up, presumably to hide the face of the stunt double, but before and after it is down.
Visible crew/equipment: When Ronica Miles lands her helicopter after Cody crashes into the tree, look closely at the top of the helicopter. When she's in the air, there are no wires (it's blue-screened) but when it's about to take off, you can see wires at the top.
Visible crew/equipment: When Cody and Ronica arrive at the secret lair, you can faintly see the green screen reflected off of Ronica's foil suit.
Answer: Those are the charges for the big bombing scene at the end.
Stefanie