The vehicle that Brett O'Keefe is in has a Pennsylvania license plate on the front bumper. However, Pennsylvania does not issue front license plates.
Brett O'Keefe calls recently deceased General McClendon a 'Marines Marine'.
The General was in the U.S. Army, not the Marine Corps.
About 10 minutes in, when Carrie texts "Janet", the message appearing on her phone is clearly appearing a lot faster than her typing.