Marines with Bridge Platoon, Alpha Company, 9th Engineer Support Battalion, use a welding torch to separate two 40-foot steel I-beams used in the construction of a bridge near Combat Outpost Rankel in the district of Garmsir, Helmand province, Jan. 29. The Marines of Bridge Platoon endured a 5-day convoy in order to replace a temporary bridge with a more permanent structure that would increase mobility for Marines operating in the area.