On the Marine/S.A.S side, for defensive sniping go into the barn. In one corner are some pallets (wooden boards). Climb them onto a ledge that goes around the barn. There are many gaps in the wall that you can snipe from. Note: Helicopters can see you.
At the bottom of the hill, go across the creek. There is a rock with grass on it sheltered by two boulders. Wear a Ghilly suit and snipe from it. You can snipe the entire cliff ledge.
