Came across this piece by Lind going back to february 2009.

On War #293: The Price of Bad Tactics

In Congressional testimony, Secretary of Defense Gates said that unless we stop killing Afghan civilians in airstrikes, “we are lost.”
Then this issue will overlap with the issue of the type of aircraft used for CAS (close air support) which has been the subject of another debate.

Interested to hear from those who served as infantry in close combat as to this multi-faceted issue.