At 32:50 when Pollard is discussing his views on homosexuals in the military, he refers to Everett as a "drill sergeant". Drill Sergeant's are in the Army where Marines are trained by Drill Instructors.
When Alex paints the American flag on the side of her car to cover the vandalism, she paints the flag backward on the passenger side. The blue field is always toward the direction the vehicle is traveling as if the flag is mounted on a pole and blowing in the wind. This also applies to flags on uniform shoulders A common goof in Hollywood. Not by lifetime military.