ARTICLE: Report Cites Firefight as Lesson on Afghan War, By THOM SHANKER, New York Times, October 2, 2009

An example of Afghanistan-specific learning within the U.S. military.

Our military owns these lessons intensely, because they earned them the hard way.

The danger here: a new administration comes in and has little respect for that learning, because it did not participate in them and therefore does not "own" them.