HELMAND DESERT U.S. Marine Corps Cpl. William Medina walks through the desert during a census patrol in Helmand province, Afghanistan, Aug. 18, 2009. Medina is a amphibious assault vehicle crewman assigned to Delta Company, 2nd Amphibious Assault Battalion, 2nd Marine Expeditionary Brigade. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 555077-Q-ZVQ83-153.jpg Photo Gallery