Afghan policemen prepare to search a room for possible insurgent materiel while clearing a compound with U.S. Marines from 1st Platoon, Kilo Company, 3rd Battalion, 3rd Marine Regiment, during Operation Zema Parma Sar Tera (Don’t Tread On Me) here, April 14, 2012. Afghan National Security Forces and ‘America’s Battalion’ Marines are conducting a variety of missions throughout Helmand province’s Garmsir district ahead of the annual fighting season surrounding the harvest of illicit poppy crops.