Lance Cpl. Nicholas Day unscrews a screen to clean the window at the Navy Marine Corps Relief Society Thrift Store on Camp Pendleton May 9. The Mairnes work together to clean the windows and window screens of the store help its ventilation during the summer season. Day is a military policeman with Military Police Compant, Security Battalion. - Lance Cpl. Nicholas Day unscrews a screen to clean the window at the Navy Marine Corps Relief Society Thrift Store on Camp Pendleton May 9. The Mairnes work together to clean the windows and window screens of the store help its ventilation during the summer season. Day is a military policeman with Military Police Compant, Security Battalion.