GrogNews' Guardian. This superb blog is a must read, fellows.
July 2008, Combat Outpost Kahler, near the village of Wanat, Waygal valley, Afghanistan. 49 US Army and 24 ANA are attacked by numerically superior Taliban forces. This is one combat action for which we now have a great tactical analysis from the Combat Studies Institute Press.
Grab it here (opens a pdf).
Thanks to GrogNews for the heads up.