It should be noted that the US Mil has only just recently got their #### together re uniform camouflage.
Personally, I thought the US mil got its #### together re uniform camouflage in the mid-80s to early 2000s - 3 schemes (woodland, arctic, desert) that seemed to perfectly fit their intended environment while affording the US a look that set them apart from other nations (surely, part of the role of a uniform). They could have added a fourth more specifically tailored to Afghanistan if they needed to, but the environment hasn't changed so why did the camo need to?
On the subject of aircraft camo, I think it was mentioned on a different thread that the Nimrod was given the finish it was so it would blend into the parking apron rather than the ocean - so not always about operating environment. I'd wager the Eagle is a little less conspicuous sat at the end of a runway than the Flanker.