U.S. Marine Corps Lance Cpl. Matthew Curtis, a rifleman with 4th Squad, 1st Platoon, Delta Company, 1st Battalion, 7th Marine Regiment, Regimental Combat Team 6, uses a Hand-held Interagency Identity Detection Equipment System to record biometrics from a local national while on patrol in Sangin, Helmand province, Afghanistan, May 1, 2012. Marines patrolled to provide security in the area and interact with the local populace.