1* the bodies and bullet casings dont despawn and cause frame drops
2*the uh1 h has only 1 hp and gets destroyed with one shot by any gun
3*the m113 is the one from mow vietnam maybe you can use a newer model such as the one from mowas 2 cold wae
4*there is a gap in the us soldiers boots
5*when aiming the soldiers hands look very deformed
6*before you add more vehicles please at least try to do the above mainly points 1,2,3,5 pleaseeee