2 use AI halo jumper with red flares as fall thought the sky's. 3. use more tracker's vehicles like CRV-6e Bobcat, FV-720 Mora, M5 Sandstorm,T-100 Varsuk,Go kart. 4. as well jet they call in air support or use to scary them. 5. started mission like land with Landing Craft Air Cushion or with large waterborne landing operations. 6. use a large ship and put a few sniper team on it and let try to find where the shot are coming form.