Marine combat engineers with Bridge Company, 7th Engineer SupportBattalion, Combat Logistics Regiment 1, 1st Marine Logistics Group offload a logistics vehicle system replacement vehicle during improved ribbon bridge training at Camp Pendleton, Calif., May 14. The IRB is an improved version of the standard ribbon bridge with the capability to support transportation of heavy military loads across rivers and small bodies of water. The new bridge is able to cross waters with currents of approximately 8 feet per second.