FULL BAG U.S. Army Spc. Michael McGovern, left, tosses a full bag of cement to U.S. Army Pfc. Dustin Mackiewicz, right, atop a cement mixer at a medical clinic construction site in Haiti, May 29, 2011. McGovern and Mackiewicz are assigned to the 716th Engineer Company. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 625538-A-KSM46-652.jpg Photo Gallery