the room and then take out the enemy outside.

After you've killed almost all the enemies, two RPGs will come out from the first floor.
Be careful not to hide near the vehicle, prioritize them, switch out the sniper rifle, and if they are hiding behind cover just smash it. After taking out the rest of the enemies go back to the house you were in, follow your teammates up the stairs to this room and get attacked by the sniper again, run quickly to the ot