U.S. Army Soldiers assigned to the 331st Transportation Company, 7th Sustainment Brigade from Fort Eustis, Va., set up a modular causeway system on Dogu Beach near Pohang, South Korea, April 14, 2013. While in open sea, Soldiers manipulate and maneuver 20- or 40-foot-long metal floors, creating different shapes until the pier is completed. (U.S. Army photo by Sgt. Candace Le/Released)