Revealing mistakes: When the Marines are moving up the mountain along a path, a Japanese soldier pops out of hiding and appears to shoot one of the Marines in the stomach at point blank range. One can see that the enemy soldier actor shot just beyond the Marine actor because a puff of smoke from the gun barrel emits out past the Marine actor's back. This was probably a safety requirement in the making of the movie, since blanks fired out of a weapon can seriously injure or kill.
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