Insurgency Tactics and PTSD (IMAGE) Veterans Affairs Research Communications Caption An Air Force dog handler attached to the US Army 25th Infantry Division searches for explosive devices during a raid in Iraq in 2006. VA researchers found that guerilla tactics such as suicide attacks and roadside bombs may trigger more PTSD than conventional warfare. Credit U.S. Air Force Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.