Iraqi policemen, from the Muthana Tactical Security Unit in southern Iraq, practice detainees operations during a room-clearing exercise taught by the 2nd Battalion, 12 Cavalry Regiment, 4th Brigade Combat Team, 1st Cavalry Division, near Contingency Operating Base Adder, Iraq, Feb. 28. The 2nd Bn., 12th Cav. Regt., Soldiers taught the Iraqi policemen advanced troop leading procedures during the two-week training event.