CANAL SWEEP U.S. Army Spc. Juvencio Alvarado, left, sweeps the ground with a metal detector along a canal during a joint clearing mission of the Salwah levee in Diyala, Iraq, July 31, 2009. Alavardo and fellow soldiers are assigned to the 25th Infantry Division's Battery C, 2nd Battalion, 8th Field Artillery Regiment, 1st Stryker Brigade Combat Team. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 909620-C-PST98-555.jpg Photo Gallery