U.S. Air Force Staff Sgt. Jason Williams, with the 116th Security Forces Squadron (SFS), Georgia Air National Guard, takes part in counterinsurgency (COIN) operations training at the Catoosa Training Site in Tunnel Hill, Ga., June 29, 2014. The 116th SFS received extensive classroom and hands-on training to hone their skills. During COIN training, the Airmen used a simulated village to practice building, breaching and clearing operations.