Samantha Cook is a research physical scientist with the U.S. Army Engineer Research and Development Center’s Cold Regions Research and Engineering Laboratory. She has been on a detail with the Department of Defense’s Climate Action Team since November 2021, helping to shape DOD guidance and policy on issues pertaining to climate change in support of the Office of the Secretary of Defense (OSD) and the armed services. Cook’s role on the team is unique; she leads the water resilience team, which addresses how climate change may impact access to clean drinking water.