U.S. Soldiers from Bravo Troop, 4th Squad, 9th Cavalry Regiment, 2nd Brigade, 1st Cavalry Division, look over a map while conducting a house-to-house census with the Iraqi national police in the neighborhood of Al-Amel 1 in Mosul, Iraq, April 1, 2009. The census is conducted to get accurate information on who lives in the neighborhood, as well as assuring the citizens that the Iraqi national police are there to serve their interests.