The United States spent over 20 years in Afghanistan and while a lot has been written about the missteps, there is much to be written about the solutions that would have lent to better outcomes. This is the first of a three-part series on Afghanistan and its lessons. Guest host and U.S. Army War College Fellow LTC Ranjini Danaraj and MG Donn Hill, the Commander of Security Force Assistance Command, have a candid discussion on what the U.S. Army has learned about security force assistance, building balanced and sustainable foreign security forces, and operationalizing the lessons learned from Afghanistan. MG Hill shares insights on how the Army's security force assistance brigades are taking best practices to armies around the world and what is now codified in the forthcoming update to FM 3-22, Army Support to Security Cooperation.