Sgt. Sergio Martinez Delefuente Tapin (left), a load master assistant and Pfc. Sarah Caldera, a motor transport operator, both with 2nd Platoon, Echo Company, Combat Logistics Battalion 5, 1st Marine Logistics Group (Forward) strap down tow bars at Forward Operating Base Payne, Afghanistan, April 14. CLB-5 recently arrived in Afghanistan and is adapting to current combat operations. - Sgt. Sergio Martinez Delefuente Tapin (left), a load master assistant and Pfc. Sarah Caldera, a motor transport operator, both with 2nd Platoon, Echo Company, Combat Logistics Battalion 5, 1st Marine Logistics Group (Forward) strap down tow bars at Forward Operating Base Payne, Afghanistan, April 14. CLB-5 recently arrived in Afghanistan and is adapting to current combat operations.