Focus on Iraq, Afghanistan veterans (IMAGE) Veterans Affairs Research Communications Caption A US Army soldier heads back to base after a patrol in Afghanistan's Logar province in 2010. An ongoing VA and Department of Defense study will follow at least 1,100 service members and veterans to learn more about the long-term effects of mild traumatic brain injury, a signature wound of the recent wars. Credit Department of Defense 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.