U.S. Marines and Navy sailors carefully comb the roadside for mock improvised explosive devices. U.S. Marines and Navy sailors carefully comb the roadside for mock improvised explosive devices while training at Fort Pickett, Va., on April 18, 2007. The Marines and sailors of Combat Logistics Battalion 22 are training to search for IEDs as they prepare to deploy as the ground combat element of the 22nd Marine Expeditionary Unit later this year. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 892588-R-URF27-377.jpg Photo Gallery