At 02:31 -there is a bullet hole in the windshield but in a few scenes it is gone.
At 10:38 -10K's bird call cannot be done while wearing gloves.
The LT pushes off the ground with the muzzle of his M16/M4, then shoots the Zombie SGT without clearing it or checking for blockage.
SGT Lilly salutes the grave of the LT by placing the fingers of her right hand in the middle of her forehead. A proper salute puts the tips of the fingers at the corner of the right eye when bareheaded.