U.S. Marine Sgt. Lonnie Smith Jr., right, makes sure U.S. Marines understand how to use night-vision goggles and advanced target pointers during night training at a range on Camp Bastion in Afghanistan's Helmand province, Aug. 19, 2014. Smith is a flight equipment technician assigned to Heavy Helicopter Squadron 366. The purpose of the training was to familiarize the Marines with their equipment and prepare them to react to any possible contingency during the defense of Bastion Airfield.