Sgt. Joan A. Ferreira (right), a 24-year-old team leader with Task Force Military Police, Multi-National Force-West, leads his Marines on patrol through a construction site near the Port of Trebil on Oct. 15. Ferreira is a New York City police officer and Individual Ready Reservist currently on one-year mobilization order - Sgt. Joan A. Ferreira (right), a 24-year-old team leader with Task Force Military Police, Multi-National Force-West, leads his Marines on patrol through a construction site near the Port of Trebil on Oct. 15. Ferreira is a New York City police officer and Individual Ready Reservist currently on one-year mobilization order