A good read from 2010.
In the second Red Team Journal occasional paper, “Red Team Reign,” GEN Carter Ham, COL (Ret.) Greg Fontenot, LTC David Pendall, and Mr. Larry Closter advocate the use of red teaming in support of joint task force decision processes. The authors provide first-hand insight into how the practice of red teaming has evolved in recent years and offer a variety of useful observations, insights, and recommendations.
Here's a direct link to the PDF.