DIRT DOZERS U.S. Navy Seabees assigned to Naval Mobile Construction Battalion push dirt into protective barriers using up-armored bulldozers on a forward operating base in Helmand province, Afghanistan, Jan. 25, 2009. The construction battlaion is deployed to Afghanistan to provide construction support to forces supporting NATO International Security Assistance Forces. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 709505-S-QOB70-640.jpg Photo Gallery