As example I offer an example of their cunning ingenuity...
Problem: Helicopters, when not aloft, require camouflage. Not satisfied with the run-of-the-mill paint scheme, an inventive Marine developed a diabolical pattern.
As seen from a distance.
As seen close up.
I found the pictures here. The original poster noted that he thought the guy had been "staring at the back of a semi-truck for too long."