During the car chase Manu Bennett says, "This guy is like The Terminator." This is an obvious reference to Robert Patrick who played the T-1000 in Kẻ Hủy Diệt 2: Ngày Phán Xét (1991). After the line is spoken, the audience sees Patrick's eyes look into the rear-view mirror in the car.
Opening footage of the enemy base in the Middle East is actually footage from Rambo III.
The movie was actually shot two years before it was released to theaters.
Cena trained with the Marines in preparation for his role in the film.
According to a televised interview given by WWE owner Vince McMahon, this film was originally written to star Steve Austin, but contractual negotiations fell through.