Secrets of Operation Clean Sweep v1.1 Difficulty Level 3 out of 7: Cover from fire: 2 out of 7: Worth the effort: 3 out of 7: #5:Great spot to defend or just cause trouble around the flag. You can reach the roof by jumping onto the fuel tank then to the first roof then you can jump across to the second roof which will give you a great view of the area. #6