U.S. Marines with 1st Marine Division, 1st Tank Battalion, Delta Company, navigates the terrain of Helmand province, Afghanistan in a M1A1 Abrams Tank while on a convoy escorted by 1st Marine Logistics Group (Forward) (1st MLG (FWD)), Combat Logistics Battalion 8 (CLB-8) (not shown)on February 1, 2011. 1st MLG (FWD), CLB-8, provided security and maintenance while in route to forward operating base Edinburgh. (U.S. Marine Corps Photo by Staff Sgt. Brian A. Lautenslager/Released)