VICKSBURG, Mississippi, Dec. 3 -- The U.S. Army Engineer Research and Development Center issued the following news story: By Sophia Espinosa, Public Affairs Specialist FORT CARSON, Colorado - Powered on! The U.S. Army Engineer Research and Development Center's (ERDC) Operational Energy (OE) team is celebrating the construction and installation of the GridStar(R) Flow system, a redox flow battery solution designed for long-duration, large-capacity energy storage applications. The flow system is more PR