Two U.S. Marines with Charlie Company, 3D Light Armored Reconnaissance Battalion (3D LAR) provide overwatch security from a guard post at Combat Outpost (COP) Castle, Reg-e Khan Neshin, Helmand Province, Afghanistan June 11, 2012. COP Castle is the operating base for U.S. Marines with 3D LAR, Afghan National Police with the District Operational Coordination Center, and Afghan Border Police.