An Afghan National Army Special Forces (ANASF) member uses a global positioning system device to remain aware of the patrol's current location during medical evacuation training in Washer district, Helmand province, Afghanistan, April 23, 2013. The ANASF members, along with their coalition force mentors, review the proper procedures for evacuating casualties during a hostile situation to improve communication and increase combat effectiveness.(U.S. Army photo by Sgt. Benjamin Tuck/Released)