MARINE PATROL A U.S. Marine patrols the military operations in urban terrain training site aboard at Fort Pickett, Va., Dec. 13, 2010. For two weeks, elements of the 22nd Marine Expeditionary Unit conducted a series of training events designed to prepare them for upcoming subsequent deployment in 2011. The Marines and sailors of the unit recently began an aggressive series of more complex pre-deployment exercises designed to train and test the unit's ability. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 197923-T-CDB22-574.jpg Photo Gallery