Dr. Andy Nelson, Director of the U.S. Army Engineer Research and Development Center’s (ERDC) Construction Engineering Research Laboratory (CERL) participates in a groundbreaking ceremony for a flow battery at Fort Carson, Colorado, Nov. 3, 2022. ERDC-CERL was selected earlier this year to provide management for the new battery. (U.S. Army Corps of Engineers photo by Kaley Skaggs)