U.S. Army Soldiers from the 7th Transportation Brigade (Expeditionary) drive equipment over a modular causeway during a Logistics Over The Shore exercise at Fort Eustis, Va., March 1, 2015. The LOTS event is used to demonstrate the Army’s premiere capability by establishing and managing port terminal operations and cargo by receiving large cargo vessels and transferring supplies to port using the Army’s Modular Causeway System. (U.S. Army photo by Spc. Marian Alleva/Released)