Staff Sgt. Peter Casola coordinates troop movement. U.S. Air Force Staff Sgt. Peter Casola, assigned to the Detachment 3, 732nd Expeditionary Security Forces Squadron, coordinates troop movement during a joint patrol with Iraqi police and Sons of Iraq members for improvised explosive devices in the Doura district of Baghdad, Iraq, on Nov. 22, 2008. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 039673-Q-FAR77-892.jpg Photo Gallery