Secrets of Operation Clean Sweep v1.1 Difficulty Level 1 out of 7: Cover from fire: 4 out of 7: Worth the effort: 5 out of 7: #1: Great spot to defend the flag and the enemy wont know where its coming from and if they do you can duck behind the corner and make your get away. Just jump onto the wood crates then jump to the little building top. #2